131036504642 has 12 divisors (see below), whose sum is σ = 199532209590. Its totient is φ = 64540363536.

The previous prime is 131036504563. The next prime is 131036504647. The reversal of 131036504642 is 246405630131.

It can be written as a sum of positive squares in only one way, i.e., 98866853761 + 32169650881 = 314431^2 + 179359^2 .

It is not an unprimeable number, because it can be changed into a prime (131036504647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7288667 + ... + 7306622.

Almost surely, 2^131036504642 is an apocalyptic number.

131036504642 is a deficient number, since it is larger than the sum of its proper divisors (68495704948).

131036504642 is an equidigital number, since it uses as much as digits as its factorization.

131036504642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14595425 (or 14595358 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 131036504642 in words is "one hundred thirty-one billion, thirty-six million, five hundred four thousand, six hundred forty-two".