131781944676 has 24 divisors (see below), whose sum is σ = 307910721664. Its totient is φ = 43867383840.

The previous prime is 131781944669. The next prime is 131781944677. The reversal of 131781944676 is 676449187131.

It is not an unprimeable number, because it can be changed into a prime (131781944677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7482220 + ... + 7499811.

Almost surely, 2^131781944676 is an apocalyptic number.

It is an amenable number.

131781944676 is an abundant number, since it is smaller than the sum of its proper divisors (176128776988).

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

131781944676 is a wasteful number, since it uses less digits than its factorization.

131781944676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14982771 (or 14982769 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The spelling of 131781944676 in words is "one hundred thirty-one billion, seven hundred eighty-one million, nine hundred forty-four thousand, six hundred seventy-six".