137960920 has 32 divisors (see below), whose sum is σ = 310748400. Its totient is φ = 55124608.

The previous prime is 137960903. The next prime is 137960959. The reversal of 137960920 is 29069731.

It is a self number, because there is not a number n which added to its sum of digits gives 137960920.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65646 + ... + 67714.

Almost surely, 2^137960920 is an apocalyptic number.

137960920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137960920 is an abundant number, since it is smaller than the sum of its proper divisors (172787480).

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

137960920 is a wasteful number, since it uses less digits than its factorization.

137960920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747 (or 3743 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 137960920 is about 11745.6766514322. The cubic root of 137960920 is about 516.7161400192.

The spelling of 137960920 in words is "one hundred thirty-seven million, nine hundred sixty thousand, nine hundred twenty".