131369475699 has 40 divisors (see below), whose sum is σ = 244666971648. Its totient is φ = 68243880240.

The previous prime is 131369475649. The next prime is 131369475737. The reversal of 131369475699 is 996574963131.

131369475699 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 69 + 4 + 7 + 569 + 9 = 666.

It is not a de Polignac number, because 131369475699 - 2⁸ = 131369475443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (131369475619) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10525227 + ... + 10537700.

Almost surely, 2^131369475699 is an apocalyptic number.

131369475699 is a deficient number, since it is larger than the sum of its proper divisors (113297495949).

131369475699 is a wasteful number, since it uses less digits than its factorization.

131369475699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21062957 (or 21062948 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 63.

The spelling of 131369475699 in words is "one hundred thirty-one billion, three hundred sixty-nine million, four hundred seventy-five thousand, six hundred ninety-nine".