131605906290992 has 40 divisors (see below), whose sum is σ = 291772404037632. Its totient is φ = 56332984334400.

The previous prime is 131605906290983. The next prime is 131605906291021. The reversal of 131605906290992 is 299092609506131.

It is a happy number.

It is a super-2 number, since 2×131605906290992² (a number of 29 digits) contains 22 as substring.

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, 724355984 + ... + 724537647.

Almost surely, 2^{131605906290992} is an apocalyptic number.

It is an amenable number.

131605906290992 is an abundant number, since it is smaller than the sum of its proper divisors (160166497746640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131605906290992 is a wasteful number, since it uses less digits than its factorization.

131605906290992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448894457 (or 1448894451 counting only the distinct ones).

The product of its (nonzero) digits is 14171760, while the sum is 62.

The spelling of 131605906290992 in words is "one hundred thirty-one trillion, six hundred five billion, nine hundred six million, two hundred ninety thousand, nine hundred ninety-two".