131366434760 has 64 divisors (see below), whose sum is σ = 336464254080. Its totient is φ = 45692669440.

The previous prime is 131366434751. The next prime is 131366434807. The reversal of 131366434760 is 67434663131.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6480317 + ... + 6500556.

It is an arithmetic number, because the mean of its divisors is an integer number (5257253970).

Almost surely, 2^131366434760 is an apocalyptic number.

131366434760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131366434760 is an abundant number, since it is smaller than the sum of its proper divisors (205097819320).

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

131366434760 is a wasteful number, since it uses less digits than its factorization.

131366434760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12980918 (or 12980914 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 131366434760 in words is "one hundred thirty-one billion, three hundred sixty-six million, four hundred thirty-four thousand, seven hundred sixty".