131255949384 has 96 divisors (see below), whose sum is σ = 423932296320. Its totient is φ = 35871187968.

The previous prime is 131255949343. The next prime is 131255949389. The reversal of 131255949384 is 483949552131.

131255949384 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 559 + 4 + 9 + 3 + 84 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 131255949384.

It is not an unprimeable number, because it can be changed into a prime (131255949389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5649897 + ... + 5673080.

It is an arithmetic number, because the mean of its divisors is an integer number (4415961420).

Almost surely, 2^131255949384 is an apocalyptic number.

131255949384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131255949384 is an abundant number, since it is smaller than the sum of its proper divisors (292676346936).

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

131255949384 is a wasteful number, since it uses less digits than its factorization.

131255949384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11323019 (or 11323012 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 131255949384 in words is "one hundred thirty-one billion, two hundred fifty-five million, nine hundred forty-nine thousand, three hundred eighty-four".