137677644 has 60 divisors (see below), whose sum is σ = 387614304. Its totient is φ = 42361056.

The previous prime is 137677637. The next prime is 137677651. The reversal of 137677644 is 446776731.

It is an interprime number because it is at equal distance from previous prime (137677637) and next prime (137677651).

It is a self number, because there is not a number n which added to its sum of digits gives 137677644.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12132 + ... + 20555.

Almost surely, 2^137677644 is an apocalyptic number.

It is an amenable number.

137677644 is an abundant number, since it is smaller than the sum of its proper divisors (249936660).

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

137677644 is a wasteful number, since it uses less digits than its factorization.

137677644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32716 (or 32705 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 137677644 is about 11733.6117201823. The cubic root of 137677644 is about 516.3622388836.

The spelling of 137677644 in words is "one hundred thirty-seven million, six hundred seventy-seven thousand, six hundred forty-four".