137637872 has 20 divisors (see below), whose sum is σ = 268624176. Its totient is φ = 68315520.

The previous prime is 137637869. The next prime is 137637887. The reversal of 137637872 is 278736731.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 29204 + ... + 33587.

Almost surely, 2^137637872 is an apocalyptic number.

It is an amenable number.

137637872 is a deficient number, since it is larger than the sum of its proper divisors (130986304).

137637872 is a wasteful number, since it uses less digits than its factorization.

137637872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62936 (or 62930 counting only the distinct ones).

The product of its digits is 296352, while the sum is 44.

The square root of 137637872 is about 11731.9168084333. The cubic root of 137637872 is about 516.3125122511.

The spelling of 137637872 in words is "one hundred thirty-seven million, six hundred thirty-seven thousand, eight hundred seventy-two".