137609684 has 12 divisors (see below), whose sum is σ = 243718944. Its totient is φ = 67975704.

The previous prime is 137609683. The next prime is 137609687. The reversal of 137609684 is 486906731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137609683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206912 + ... + 207575.

It is an arithmetic number, because the mean of its divisors is an integer number (20309912).

Almost surely, 2^137609684 is an apocalyptic number.

It is an amenable number.

137609684 is a deficient number, since it is larger than the sum of its proper divisors (106109260).

137609684 is a wasteful number, since it uses less digits than its factorization.

137609684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414574 (or 414572 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 137609684 is about 11730.7154087038. The cubic root of 137609684 is about 516.2772632058.

The spelling of 137609684 in words is "one hundred thirty-seven million, six hundred nine thousand, six hundred eighty-four".