131721411492 has 96 divisors (see below), whose sum is σ = 392153126400. Its totient is φ = 37814752800.

The previous prime is 131721411487. The next prime is 131721411527. The reversal of 131721411492 is 294114127131.

131721411492 is a `hidden beast` number, since 13 + 17 + 2 + 141 + 1 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2895234 + ... + 2940377.

It is an arithmetic number, because the mean of its divisors is an integer number (4084928400).

Almost surely, 2^131721411492 is an apocalyptic number.

131721411492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131721411492 is an abundant number, since it is smaller than the sum of its proper divisors (260431714908).

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

131721411492 is a wasteful number, since it uses less digits than its factorization.

131721411492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835654 (or 5835646 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The spelling of 131721411492 in words is "one hundred thirty-one billion, seven hundred twenty-one million, four hundred eleven thousand, four hundred ninety-two".