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137966976 = 273471901
BaseRepresentation
bin10000011100100…
…11010110000000
3100121121110010000
420032103112000
5240304420401
621405040000
73263462040
oct1016232600
9317543100
10137966976
11709736a4
123a256000
1322777b84
1414475720
15c1a4186
hex8393580

137966976 has 160 divisors (see below), whose sum is σ = 469489680. Its totient is φ = 39398400.

The previous prime is 137966971. The next prime is 137966993. The reversal of 137966976 is 679669731.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137966971) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71626 + ... + 73526.

Almost surely, 2137966976 is an apocalyptic number.

137966976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137966976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234744840).

137966976 is an abundant number, since it is smaller than the sum of its proper divisors (331522704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137966976 is an equidigital number, since it uses as much as digits as its factorization.

137966976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934 (or 1913 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 137966976 is about 11745.9344455858. The cubic root of 137966976 is about 516.7237005833.

The spelling of 137966976 in words is "one hundred thirty-seven million, nine hundred sixty-six thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 128 144 162 168 189 192 216 224 252 288 324 336 378 384 432 448 504 567 576 648 672 756 864 896 1008 1134 1152 1296 1344 1512 1728 1901 2016 2268 2592 2688 3024 3456 3802 4032 4536 5184 5703 6048 7604 8064 9072 10368 11406 12096 13307 15208 17109 18144 22812 24192 26614 30416 34218 36288 39921 45624 51327 53228 60832 68436 72576 79842 91248 102654 106456 119763 121664 136872 153981 159684 182496 205308 212912 239526 243328 273744 307962 319368 359289 364992 410616 425824 479052 547488 615924 638736 718578 729984 821232 851648 958104 1077867 1094976 1231848 1277472 1437156 1642464 1703296 1916208 2155734 2189952 2463696 2554944 2874312 3284928 3832416 4311468 4927392 5109888 5748624 6569856 7664832 8622936 9854784 11497248 15329664 17245872 19709568 22994496 34491744 45988992 68983488 137966976