131763879 has 24 divisors (see below), whose sum is σ = 215757360. Its totient is φ = 76816512.

The previous prime is 131763847. The next prime is 131763943. The reversal of 131763879 is 978367131.

131763879 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 638 + 7 + 9 = 666.

It is not a de Polignac number, because 131763879 - 2⁵ = 131763847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131763809) 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 23 ways as a sum of consecutive naturals, for example, 27414 + ... + 31859.

It is an arithmetic number, because the mean of its divisors is an integer number (8989890).

Almost surely, 2^131763879 is an apocalyptic number.

131763879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

131763879 is a deficient number, since it is larger than the sum of its proper divisors (83993481).

131763879 is a wasteful number, since it uses less digits than its factorization.

131763879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59311 (or 59308 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 131763879 is about 11478.8448460636. The cubic root of 131763879 is about 508.8605588110.

The spelling of 131763879 in words is "one hundred thirty-one million, seven hundred sixty-three thousand, eight hundred seventy-nine".