131929232 has 10 divisors (see below), whose sum is σ = 255612918. Its totient is φ = 65964608.

The previous prime is 131929229. The next prime is 131929241. The reversal of 131929232 is 232929131.

It can be written as a sum of positive squares in only one way, i.e., 125798656 + 6130576 = 11216^2 + 2476^2 .

It is a super-2 number, since 2×131929232² = 34810644512219648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4122773 + ... + 4122804.

Almost surely, 2^131929232 is an apocalyptic number.

It is an amenable number.

131929232 is a deficient number, since it is larger than the sum of its proper divisors (123683686).

131929232 is an equidigital number, since it uses as much as digits as its factorization.

131929232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245585 (or 8245579 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 131929232 is about 11486.0450982921. The cubic root of 131929232 is about 509.0733294332.

The spelling of 131929232 in words is "one hundred thirty-one million, nine hundred twenty-nine thousand, two hundred thirty-two".