137831472 has 60 divisors (see below), whose sum is σ = 406046680. Its totient is φ = 43524864.

The previous prime is 137831459. The next prime is 137831489. The reversal of 137831472 is 274138731.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22453 + ... + 27924.

Almost surely, 2^137831472 is an apocalyptic number.

137831472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137831472 is an abundant number, since it is smaller than the sum of its proper divisors (268215208).

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

137831472 is a wasteful number, since it uses less digits than its factorization.

137831472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50410 (or 50401 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 137831472 is about 11740.1649051451. The cubic root of 137831472 is about 516.5544787748.

The spelling of 137831472 in words is "one hundred thirty-seven million, eight hundred thirty-one thousand, four hundred seventy-two".