131595862642 has 16 divisors (see below), whose sum is σ = 198627084864. Its totient is φ = 65388114000.

The previous prime is 131595862613. The next prime is 131595862679. The reversal of 131595862642 is 246268595131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131595862642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113709 + ... + 525472.

It is an arithmetic number, because the mean of its divisors is an integer number (12414192804).

Almost surely, 2^131595862642 is an apocalyptic number.

131595862642 is a deficient number, since it is larger than the sum of its proper divisors (67031222222).

131595862642 is a wasteful number, since it uses less digits than its factorization.

131595862642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639825.

The product of its digits is 3110400, while the sum is 52.

The spelling of 131595862642 in words is "one hundred thirty-one billion, five hundred ninety-five million, eight hundred sixty-two thousand, six hundred forty-two".