131371894784 has 48 divisors (see below), whose sum is σ = 282885826860. Its totient is φ = 60633169920.

The previous prime is 131371894741. The next prime is 131371894793. The reversal of 131371894784 is 487498173131.

It can be written as a sum of positive squares in 2 ways, for example, as 126053401600 + 5318493184 = 355040^2 + 72928^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2440547 + ... + 2493794.

Almost surely, 2^131371894784 is an apocalyptic number.

It is an amenable number.

131371894784 is an abundant number, since it is smaller than the sum of its proper divisors (151513932076).

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

131371894784 is an equidigital number, since it uses as much as digits as its factorization.

131371894784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934376 (or 4934356 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 56.

The spelling of 131371894784 in words is "one hundred thirty-one billion, three hundred seventy-one million, eight hundred ninety-four thousand, seven hundred eighty-four".