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137634942 = 23130717551
BaseRepresentation
bin10000011010000…
…10010001111110
3100120222120122110
420031002101332
5240213304232
621353554450
73260610024
oct1015022176
9316876573
10137634942
1170767195
123a115a26
132268c9c3
14143ca714
15c13aacc
hex834247e

137634942 has 16 divisors (see below), whose sum is σ = 275496192. Its totient is φ = 45840600.

The previous prime is 137634923. The next prime is 137634943. The reversal of 137634942 is 249436731.

It is a self number, because there is not a number n which added to its sum of digits gives 137634942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137634943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934 + ... + 16617.

It is an arithmetic number, because the mean of its divisors is an integer number (17218512).

Almost surely, 2137634942 is an apocalyptic number.

137634942 is an abundant number, since it is smaller than the sum of its proper divisors (137861250).

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

137634942 is a wasteful number, since it uses less digits than its factorization.

137634942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18863.

The product of its digits is 108864, while the sum is 39.

The square root of 137634942 is about 11731.7919347387. The cubic root of 137634942 is about 516.3088485153.

The spelling of 137634942 in words is "one hundred thirty-seven million, six hundred thirty-four thousand, nine hundred forty-two".

Divisors: 1 2 3 6 1307 2614 3921 7842 17551 35102 52653 105306 22939157 45878314 68817471 137634942