137431832 has 8 divisors (see below), whose sum is σ = 257684700. Its totient is φ = 68715912.

The previous prime is 137431829. The next prime is 137431837. The reversal of 137431832 is 238134731.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137431837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8589482 + ... + 8589497.

Almost surely, 2^137431832 is an apocalyptic number.

It is an amenable number.

137431832 is a deficient number, since it is larger than the sum of its proper divisors (120252868).

137431832 is a wasteful number, since it uses less digits than its factorization.

137431832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17178985 (or 17178981 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 137431832 is about 11723.1323459219. The cubic root of 137431832 is about 516.0547485125.

The spelling of 137431832 in words is "one hundred thirty-seven million, four hundred thirty-one thousand, eight hundred thirty-two".