131648719636 has 36 divisors (see below), whose sum is σ = 273701308608. Its totient is φ = 55220431728.

The previous prime is 131648719577. The next prime is 131648719693. The reversal of 131648719636 is 636917846131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7136290 + ... + 7154713.

It is an arithmetic number, because the mean of its divisors is an integer number (7602814128).

Almost surely, 2^131648719636 is an apocalyptic number.

It is an amenable number.

131648719636 is an abundant number, since it is smaller than the sum of its proper divisors (142052588972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131648719636 is a wasteful number, since it uses less digits than its factorization.

131648719636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291068 (or 14291059 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The spelling of 131648719636 in words is "one hundred thirty-one billion, six hundred forty-eight million, seven hundred nineteen thousand, six hundred thirty-six".