131502032 has 20 divisors (see below), whose sum is σ = 259105440. Its totient is φ = 64636128.

The previous prime is 131502029. The next prime is 131502067. The reversal of 131502032 is 230205131.

It is a self number, because there is not a number n which added to its sum of digits gives 131502032.

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, 68708 + ... + 70595.

It is an arithmetic number, because the mean of its divisors is an integer number (12955272).

Almost surely, 2^131502032 is an apocalyptic number.

It is an amenable number.

131502032 is a deficient number, since it is larger than the sum of its proper divisors (127603408).

131502032 is a wasteful number, since it uses less digits than its factorization.

131502032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139370 (or 139364 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 131502032 is about 11467.4335402478. The cubic root of 131502032 is about 508.5232585538.

Adding to 131502032 its reverse (230205131), we get a palindrome (361707163).

The spelling of 131502032 in words is "one hundred thirty-one million, five hundred two thousand, thirty-two".