131919923136 has 112 divisors (see below), whose sum is σ = 374057777664. Its totient is φ = 40924578816.

The previous prime is 131919923123. The next prime is 131919923137. The reversal of 131919923136 is 631329919131.

It is a super-2 number, since 2×131919923136² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131919923137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240300 + ... + 567083.

Almost surely, 2^131919923136 is an apocalyptic number.

131919923136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131919923136 is an abundant number, since it is smaller than the sum of its proper divisors (242137854528).

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

131919923136 is a wasteful number, since it uses less digits than its factorization.

131919923136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807458 (or 807448 counting only the distinct ones).

The product of its digits is 236196, while the sum is 48.

The spelling of 131919923136 in words is "one hundred thirty-one billion, nine hundred nineteen million, nine hundred twenty-three thousand, one hundred thirty-six".