131895770632 has 8 divisors (see below), whose sum is σ = 247304569950. Its totient is φ = 65947885312.

The previous prime is 131895770623. The next prime is 131895770653. The reversal of 131895770632 is 236077598131.

It can be written as a sum of positive squares in only one way, i.e., 70646450436 + 61249320196 = 265794^2 + 247486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 131895770632.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8243485657 + ... + 8243485672.

Almost surely, 2^131895770632 is an apocalyptic number.

It is an amenable number.

131895770632 is a deficient number, since it is larger than the sum of its proper divisors (115408799318).

131895770632 is a wasteful number, since it uses less digits than its factorization.

131895770632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486971335 (or 16486971331 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 131895770632 in words is "one hundred thirty-one billion, eight hundred ninety-five million, seven hundred seventy thousand, six hundred thirty-two".