131659396801 has 9 divisors (see below), whose sum is σ = 132106852353. Its totient is φ = 131213455380.

The previous prime is 131659396751. The next prime is 131659396807. The reversal of 131659396801 is 108693956131.

The square root of 131659396801 is 362849.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-131659396801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131659396807) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 178158490 + ... + 178159228.

Almost surely, 2^131659396801 is an apocalyptic number.

131659396801 is the 362849-th square number.

131659396801 is the 181425-th centered octagonal number.

It is an amenable number.

131659396801 is a deficient number, since it is larger than the sum of its proper divisors (447455552).

131659396801 is an frugal number, since it uses more digits than its factorization.

131659396801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 131659396801 in words is "one hundred thirty-one billion, six hundred fifty-nine million, three hundred ninety-six thousand, eight hundred one".