131532496 has 20 divisors (see below), whose sum is σ = 255089700. Its totient is φ = 65702912.

The previous prime is 131532481. The next prime is 131532509. The reversal of 131532496 is 694235131.

It can be written as a sum of positive squares in 2 ways, for example, as 122412096 + 9120400 = 11064^2 + 3020^2 .

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, 16320 + ... + 23008.

It is an arithmetic number, because the mean of its divisors is an integer number (12754485).

Almost surely, 2^131532496 is an apocalyptic number.

131532496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131532496 is a deficient number, since it is larger than the sum of its proper divisors (123557204).

131532496 is a wasteful number, since it uses less digits than its factorization.

131532496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7926 (or 7920 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 131532496 is about 11468.7617465880. The cubic root of 131532496 is about 508.5625239963.

The spelling of 131532496 in words is "one hundred thirty-one million, five hundred thirty-two thousand, four hundred ninety-six".