137912664 has 32 divisors (see below), whose sum is σ = 352120320. Its totient is φ = 44992416.

The previous prime is 137912651. The next prime is 137912683. The reversal of 137912664 is 466219731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60004 + ... + 62259.

It is an arithmetic number, because the mean of its divisors is an integer number (11003760).

Almost surely, 2^137912664 is an apocalyptic number.

It is an amenable number.

137912664 is an abundant number, since it is smaller than the sum of its proper divisors (214207656).

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

137912664 is a wasteful number, since it uses less digits than its factorization.

137912664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122319 (or 122315 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 137912664 is about 11743.6222691297. The cubic root of 137912664 is about 516.6558872997.

The spelling of 137912664 in words is "one hundred thirty-seven million, nine hundred twelve thousand, six hundred sixty-four".