131778345780596 has 24 divisors (see below), whose sum is σ = 236299765141440. Its totient is φ = 64268342595072.

The previous prime is 131778345780461. The next prime is 131778345780617. The reversal of 131778345780596 is 695087543877131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526802861 + ... + 527052948.

It is an arithmetic number, because the mean of its divisors is an integer number (9845823547560).

Almost surely, 2^{131778345780596} is an apocalyptic number.

It is an amenable number.

131778345780596 is a deficient number, since it is larger than the sum of its proper divisors (104521419360844).

131778345780596 is a wasteful number, since it uses less digits than its factorization.

131778345780596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053856583 (or 1053856581 counting only the distinct ones).

The product of its (nonzero) digits is 1066867200, while the sum is 74.

The spelling of 131778345780596 in words is "one hundred thirty-one trillion, seven hundred seventy-eight billion, three hundred forty-five million, seven hundred eighty thousand, five hundred ninety-six".