131987596 has 48 divisors (see below), whose sum is σ = 256937184. Its totient is φ = 58945536.

The previous prime is 131987587. The next prime is 131987629. The reversal of 131987596 is 695789131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228460 + ... + 229036.

It is an arithmetic number, because the mean of its divisors is an integer number (5352858).

Almost surely, 2^131987596 is an apocalyptic number.

It is an amenable number.

131987596 is a deficient number, since it is larger than the sum of its proper divisors (124949588).

131987596 is a wasteful number, since it uses less digits than its factorization.

131987596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 728 counting only the distinct ones).

The product of its digits is 408240, while the sum is 49.

The square root of 131987596 is about 11488.5854655828. The cubic root of 131987596 is about 509.1483877935.

The spelling of 131987596 in words is "one hundred thirty-one million, nine hundred eighty-seven thousand, five hundred ninety-six".