137531884 has 12 divisors (see below), whose sum is σ = 275063824. Its totient is φ = 58942224.

The previous prime is 137531879. The next prime is 137531893. The reversal of 137531884 is 488135731.

137531884 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 2455899 + ... + 2455954.

Almost surely, 2^137531884 is an apocalyptic number.

137531884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

137531884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

137531884 is a wasteful number, since it uses less digits than its factorization.

137531884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4911864 (or 4911862 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 137531884 is about 11727.3988590821. The cubic root of 137531884 is about 516.1799494561.

The spelling of 137531884 in words is "one hundred thirty-seven million, five hundred thirty-one thousand, eight hundred eighty-four".