131786701864 has 16 divisors (see below), whose sum is σ = 247148584020. Its totient is φ = 65880412800.

The previous prime is 131786701847. The next prime is 131786701987. The reversal of 131786701864 is 468107687131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111116888964 + 20669812900 = 333342^2 + 143770^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573909 + ... + 1655524.

Almost surely, 2^131786701864 is an apocalyptic number.

It is an amenable number.

131786701864 is a deficient number, since it is larger than the sum of its proper divisors (115361882156).

131786701864 is a wasteful number, since it uses less digits than its factorization.

131786701864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234540 (or 3234536 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 131786701864 in words is "one hundred thirty-one billion, seven hundred eighty-six million, seven hundred one thousand, eight hundred sixty-four".