131527645772 has 6 divisors (see below), whose sum is σ = 230173380108. Its totient is φ = 65763822884.

The previous prime is 131527645759. The next prime is 131527645783. The reversal of 131527645772 is 277546725131.

It is a self number, because there is not a number n which added to its sum of digits gives 131527645772.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16440955718 + ... + 16440955725.

It is an arithmetic number, because the mean of its divisors is an integer number (38362230018).

Almost surely, 2^131527645772 is an apocalyptic number.

It is an amenable number.

131527645772 is a deficient number, since it is larger than the sum of its proper divisors (98645734336).

131527645772 is a wasteful number, since it uses less digits than its factorization.

131527645772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32881911447 (or 32881911445 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 50.

The spelling of 131527645772 in words is "one hundred thirty-one billion, five hundred twenty-seven million, six hundred forty-five thousand, seven hundred seventy-two".