131539312 has 20 divisors (see below), whose sum is σ = 255191256. Its totient is φ = 65683520.

The previous prime is 131539307. The next prime is 131539321. The reversal of 131539312 is 213935131.

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, 8262 + ... + 18202.

Almost surely, 2^131539312 is an apocalyptic number.

It is an amenable number.

131539312 is a deficient number, since it is larger than the sum of its proper divisors (123651944).

131539312 is an equidigital number, since it uses as much as digits as its factorization.

131539312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10776 (or 10770 counting only the distinct ones).

The product of its digits is 2430, while the sum is 28.

The square root of 131539312 is about 11469.0588977475. The cubic root of 131539312 is about 508.5713083966.

The spelling of 131539312 in words is "one hundred thirty-one million, five hundred thirty-nine thousand, three hundred twelve".