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137960040 = 23354761401
BaseRepresentation
bin10000011100100…
…01101001101000
3100121121002121010
420032101221220
5240304210130
621404543520
73263432601
oct1016215150
9317532533
10137960040
1170969469
123a251ba0
132277497a
1414472da8
15c1a20b0
hex8391a68

137960040 has 128 divisors (see below), whose sum is σ = 430686720. Its totient is φ = 35328000.

The previous prime is 137960023. The next prime is 137960051. The reversal of 137960040 is 40069731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 343840 + ... + 344240.

It is an arithmetic number, because the mean of its divisors is an integer number (3364740).

Almost surely, 2137960040 is an apocalyptic number.

137960040 is a gapful number since it is divisible by the number (10) 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 137960040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215343360).

137960040 is an abundant number, since it is smaller than the sum of its proper divisors (292726680).

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

137960040 is a wasteful number, since it uses less digits than its factorization.

137960040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 137960040 is about 11745.6391907806. The cubic root of 137960040 is about 516.7150413719.

The spelling of 137960040 in words is "one hundred thirty-seven million, nine hundred sixty thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 47 60 61 94 120 122 141 183 188 235 244 282 305 366 376 401 470 488 564 610 705 732 802 915 940 1128 1203 1220 1410 1464 1604 1830 1880 2005 2406 2440 2820 2867 3208 3660 4010 4812 5640 5734 6015 7320 8020 8601 9624 11468 12030 14335 16040 17202 18847 22936 24060 24461 28670 34404 37694 43005 48120 48922 56541 57340 68808 73383 75388 86010 94235 97844 113082 114680 122305 146766 150776 172020 188470 195688 226164 244610 282705 293532 344040 366915 376940 452328 489220 565410 587064 733830 753880 978440 1130820 1149667 1467660 2261640 2299334 2935320 3449001 4598668 5748335 6898002 9197336 11496670 13796004 17245005 22993340 27592008 34490010 45986680 68980020 137960040