137312732 has 24 divisors (see below), whose sum is σ = 243736752. Its totient is φ = 67680000.

The previous prime is 137312711. The next prime is 137312761. The reversal of 137312732 is 237213731.

137312732 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 137312695 and 137312704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113732 + ... + 114932.

It is an arithmetic number, because the mean of its divisors is an integer number (10155698).

Almost surely, 2^137312732 is an apocalyptic number.

It is an amenable number.

137312732 is a deficient number, since it is larger than the sum of its proper divisors (106424020).

137312732 is a wasteful number, since it uses less digits than its factorization.

137312732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589 (or 1587 counting only the distinct ones).

The product of its digits is 5292, while the sum is 29.

The square root of 137312732 is about 11718.0515445188. The cubic root of 137312732 is about 515.9056324434.

Subtracting 137312732 from its reverse (237213731), we obtain a palindrome (99900999).

The spelling of 137312732 in words is "one hundred thirty-seven million, three hundred twelve thousand, seven hundred thirty-two".