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137120984 = 237111317123
BaseRepresentation
bin10000010110001…
…00110011011000
3100120000110121222
420023010303120
5240100332414
621334551212
73253336430
oct1013046330
9316013558
10137120984
1170446030
1239b08508
132253caa0
14142d52c0
15c08868e
hex82c4cd8

137120984 has 64 divisors (see below), whose sum is σ = 345219840. Its totient is φ = 49311360.

The previous prime is 137120959. The next prime is 137120989. The reversal of 137120984 is 489021731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137120989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554 + ... + 16569.

It is an arithmetic number, because the mean of its divisors is an integer number (5394060).

Almost surely, 2137120984 is an apocalyptic number.

137120984 is a gapful number since it is divisible by the number (14) 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 137120984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172609920).

137120984 is an abundant number, since it is smaller than the sum of its proper divisors (208098856).

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

137120984 is a wasteful number, since it uses less digits than its factorization.

137120984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17160 (or 17156 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 137120984 is about 11709.8669505678. The cubic root of 137120984 is about 515.6653780635.

It can be divided in two parts, 137 and 120984, that added together give a palindrome (121121).

The spelling of 137120984 in words is "one hundred thirty-seven million, one hundred twenty thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 143 154 182 286 308 364 572 616 728 1001 1144 2002 4004 8008 17123 34246 68492 119861 136984 188353 222599 239722 376706 445198 479444 753412 890396 958888 1318471 1506824 1558193 1780792 2448589 2636942 3116386 4897178 5273884 6232772 9794356 10547768 12465544 17140123 19588712 34280246 68560492 137120984