131535480164 has 36 divisors (see below), whose sum is σ = 253079170764. Its totient is φ = 59773824000.

The previous prime is 131535480157. The next prime is 131535480173. The reversal of 131535480164 is 461084535131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97058417764 + 34477062400 = 311542^2 + 185680^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2020604 + ... + 2084684.

Almost surely, 2^131535480164 is an apocalyptic number.

It is an amenable number.

131535480164 is a deficient number, since it is larger than the sum of its proper divisors (121543690600).

131535480164 is a wasteful number, since it uses less digits than its factorization.

131535480164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68348 (or 68335 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 131535480164 in words is "one hundred thirty-one billion, five hundred thirty-five million, four hundred eighty thousand, one hundred sixty-four".