131718737904 has 480 divisors, whose sum is σ = 401293315584. Its totient is φ = 37111726080.

The previous prime is 131718737897. The next prime is 131718737947. The reversal of 131718737904 is 409737817131.

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 95 ways as a sum of consecutive naturals, for example, 512524144 + ... + 512524400.

Almost surely, 2^131718737904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131718737904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200646657792).

131718737904 is an abundant number, since it is smaller than the sum of its proper divisors (269574577680).

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

131718737904 is a wasteful number, since it uses less digits than its factorization.

131718737904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 51.

The spelling of 131718737904 in words is "one hundred thirty-one billion, seven hundred eighteen million, seven hundred thirty-seven thousand, nine hundred four".