131937697451 has 8 divisors (see below), whose sum is σ = 152195155200. Its totient is φ = 112032543528.

The previous prime is 131937697399. The next prime is 131937697469. The reversal of 131937697451 is 154796739131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131937697451 - 2⁶ = 131937697387 is a prime.

It is a super-2 number, since 2×131937697451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131937697481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88075151 + ... + 88076648.

It is an arithmetic number, because the mean of its divisors is an integer number (19024394400).

Almost surely, 2^131937697451 is an apocalyptic number.

131937697451 is a deficient number, since it is larger than the sum of its proper divisors (20257457749).

131937697451 is a wasteful number, since it uses less digits than its factorization.

131937697451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176151913.

The product of its digits is 4286520, while the sum is 56.

The spelling of 131937697451 in words is "one hundred thirty-one billion, nine hundred thirty-seven million, six hundred ninety-seven thousand, four hundred fifty-one".