131685372533386 has 64 divisors (see below), whose sum is σ = 232850080108800. Its totient is φ = 55825516293120.

The previous prime is 131685372533359. The next prime is 131685372533411. The reversal of 131685372533386 is 683335273586131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126777601 + ... + 127812091.

It is an arithmetic number, because the mean of its divisors is an integer number (3638282501700).

Almost surely, 2^{131685372533386} is an apocalyptic number.

131685372533386 is a deficient number, since it is larger than the sum of its proper divisors (101164707575414).

131685372533386 is a wasteful number, since it uses less digits than its factorization.

131685372533386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036524 (or 1036510 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 64.

The spelling of 131685372533386 in words is "one hundred thirty-one trillion, six hundred eighty-five billion, three hundred seventy-two million, five hundred thirty-three thousand, three hundred eighty-six".