131936396 has 12 divisors (see below), whose sum is σ = 231442680. Its totient is φ = 65809920.

The previous prime is 131936383. The next prime is 131936407. The reversal of 131936396 is 693639131.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 37685 + ... + 41036.

It is an arithmetic number, because the mean of its divisors is an integer number (19286890).

Almost surely, 2^131936396 is an apocalyptic number.

It is an amenable number.

131936396 is a deficient number, since it is larger than the sum of its proper divisors (99506284).

131936396 is a wasteful number, since it uses less digits than its factorization.

131936396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79144 (or 79142 counting only the distinct ones).

The product of its digits is 78732, while the sum is 41.

The square root of 131936396 is about 11486.3569507481. The cubic root of 131936396 is about 509.0825438058.

The spelling of 131936396 in words is "one hundred thirty-one million, nine hundred thirty-six thousand, three hundred ninety-six".