131304795840 has 168 divisors, whose sum is σ = 478200659040. Its totient is φ = 32954916864.

The previous prime is 131304795709. The next prime is 131304795859. The reversal of 131304795840 is 48597403131.

131304795840 is a `hidden beast` number, since 1 + 3 + 130 + 479 + 5 + 8 + 40 = 666.

It is a super-3 number, since 3×131304795840³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1291980 + ... + 1389899.

Almost surely, 2^131304795840 is an apocalyptic number.

131304795840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131304795840 is an abundant number, since it is smaller than the sum of its proper divisors (346895863200).

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

131304795840 is a wasteful number, since it uses less digits than its factorization.

131304795840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681919 (or 2681906 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 131304795840 in words is "one hundred thirty-one billion, three hundred four million, seven hundred ninety-five thousand, eight hundred forty".