137531384 has 16 divisors (see below), whose sum is σ = 264161520. Its totient is φ = 67088320.

The previous prime is 137531363. The next prime is 137531437. The reversal of 137531384 is 483135731.

137531384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 209324 + ... + 209979.

It is an arithmetic number, because the mean of its divisors is an integer number (16510095).

Almost surely, 2^137531384 is an apocalyptic number.

It is an amenable number.

137531384 is a deficient number, since it is larger than the sum of its proper divisors (126630136).

137531384 is a wasteful number, since it uses less digits than its factorization.

137531384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419350 (or 419346 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 137531384 is about 11727.3775414625. The cubic root of 137531384 is about 516.1793239277.

The spelling of 137531384 in words is "one hundred thirty-seven million, five hundred thirty-one thousand, three hundred eighty-four".