131663540156 has 24 divisors (see below), whose sum is σ = 230847721104. Its totient is φ = 65707165440.

The previous prime is 131663540143. The next prime is 131663540213. The reversal of 131663540156 is 651045366131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4864196 + ... + 4891188.

It is an arithmetic number, because the mean of its divisors is an integer number (9618655046).

Almost surely, 2^131663540156 is an apocalyptic number.

It is an amenable number.

131663540156 is a deficient number, since it is larger than the sum of its proper divisors (99184180948).

131663540156 is a wasteful number, since it uses less digits than its factorization.

131663540156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29261 (or 29259 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 131663540156 in words is "one hundred thirty-one billion, six hundred sixty-three million, five hundred forty thousand, one hundred fifty-six".