131642534642 has 16 divisors (see below), whose sum is σ = 204613664640. Its totient is φ = 63476732592.

The previous prime is 131642534629. The next prime is 131642534719. The reversal of 131642534642 is 246435246131.

It is a self number, because there is not a number n which added to its sum of digits gives 131642534642.

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, 9681353 + ... + 9694940.

It is an arithmetic number, because the mean of its divisors is an integer number (12788354040).

Almost surely, 2^131642534642 is an apocalyptic number.

131642534642 is a deficient number, since it is larger than the sum of its proper divisors (72971129998).

131642534642 is a wasteful number, since it uses less digits than its factorization.

131642534642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19376417.

The product of its digits is 414720, while the sum is 41.

The spelling of 131642534642 in words is "one hundred thirty-one billion, six hundred forty-two million, five hundred thirty-four thousand, six hundred forty-two".