131327138736 has 120 divisors (see below), whose sum is σ = 399671142624. Its totient is φ = 40087111680.

The previous prime is 131327138729. The next prime is 131327138771. The reversal of 131327138736 is 637831723131.

131327138736 is a `hidden beast` number, since 1 + 313 + 271 + 38 + 7 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 131327138691 and 131327138700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634380 + ... + 815531.

Almost surely, 2^131327138736 is an apocalyptic number.

131327138736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131327138736 is an abundant number, since it is smaller than the sum of its proper divisors (268344003888).

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

131327138736 is a wasteful number, since it uses less digits than its factorization.

131327138736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449979 (or 1449970 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The spelling of 131327138736 in words is "one hundred thirty-one billion, three hundred twenty-seven million, one hundred thirty-eight thousand, seven hundred thirty-six".