131324463774 has 48 divisors (see below), whose sum is σ = 325506985440. Its totient is φ = 37484052480.

The previous prime is 131324463757. The next prime is 131324463887. The reversal of 131324463774 is 477364423131.

131324463774 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 2 + 4 + 4 + 637 + 7 + 4 = 666.

It is a super-2 number, since 2×131324463774² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 389347 + ... + 643614.

It is an arithmetic number, because the mean of its divisors is an integer number (6781395530).

Almost surely, 2^131324463774 is an apocalyptic number.

131324463774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131324463774 is an abundant number, since it is smaller than the sum of its proper divisors (194182521666).

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

131324463774 is a wasteful number, since it uses less digits than its factorization.

131324463774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033985 (or 1033982 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The spelling of 131324463774 in words is "one hundred thirty-one billion, three hundred twenty-four million, four hundred sixty-three thousand, seven hundred seventy-four".