131579510399 has 4 divisors (see below), whose sum is σ = 132615569664. Its totient is φ = 130543451136.

The previous prime is 131579510393. The next prime is 131579510521. The reversal of 131579510399 is 993015975131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993015975131 = 83663 ⋅11869237.

It is a cyclic number.

It is not a de Polignac number, because 131579510399 - 2⁸ = 131579510143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131579510399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131579510393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518029442 + ... + 518029695.

It is an arithmetic number, because the mean of its divisors is an integer number (33153892416).

Almost surely, 2^131579510399 is an apocalyptic number.

131579510399 is a deficient number, since it is larger than the sum of its proper divisors (1036059265).

131579510399 is a wasteful number, since it uses less digits than its factorization.

131579510399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036059264.

The product of its (nonzero) digits is 1148175, while the sum is 53.

The spelling of 131579510399 in words is "one hundred thirty-one billion, five hundred seventy-nine million, five hundred ten thousand, three hundred ninety-nine".