131906955600 has 240 divisors, whose sum is σ = 536561511040. Its totient is φ = 30150144000.

The previous prime is 131906955589. The next prime is 131906955601. The reversal of 131906955600 is 6559609131.

131906955600 is a `hidden beast` number, since 1 + 3 + 1 + 90 + 6 + 9 + 556 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131906955601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 796801 + ... + 948000.

Almost surely, 2^131906955600 is an apocalyptic number.

131906955600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131906955600 is an abundant number, since it is smaller than the sum of its proper divisors (404654555440).

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

131906955600 is a wasteful number, since it uses less digits than its factorization.

131906955600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744835 (or 1744818 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The spelling of 131906955600 in words is "one hundred thirty-one billion, nine hundred six million, nine hundred fifty-five thousand, six hundred".