137388272 has 20 divisors (see below), whose sum is σ = 304217136. Its totient is φ = 58880640.

The previous prime is 137388247. The next prime is 137388319. The reversal of 137388272 is 272883731.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613229 + ... + 613452.

Almost surely, 2^137388272 is an apocalyptic number.

It is an amenable number.

137388272 is an abundant number, since it is smaller than the sum of its proper divisors (166828864).

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

137388272 is a wasteful number, since it uses less digits than its factorization.

137388272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226696 (or 1226690 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 137388272 is about 11721.2743334503. The cubic root of 137388272 is about 516.0002203392. Note that the first 3 decimals are identical.

The spelling of 137388272 in words is "one hundred thirty-seven million, three hundred eighty-eight thousand, two hundred seventy-two".