131873879 has 12 divisors (see below), whose sum is σ = 141229824. Its totient is φ = 123105024.

The previous prime is 131873867. The next prime is 131873891. The reversal of 131873879 is 978378131.

It is an interprime number because it is at equal distance from previous prime (131873867) and next prime (131873891).

It is not a de Polignac number, because 131873879 - 2¹² = 131869783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131873479) 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 11 ways as a sum of consecutive naturals, for example, 34907 + ... + 38499.

It is an arithmetic number, because the mean of its divisors is an integer number (11769152).

Almost surely, 2^131873879 is an apocalyptic number.

131873879 is a deficient number, since it is larger than the sum of its proper divisors (9355945).

131873879 is a wasteful number, since it uses less digits than its factorization.

131873879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754 (or 3737 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The square root of 131873879 is about 11483.6352693735. The cubic root of 131873879 is about 509.0021228794.

The spelling of 131873879 in words is "one hundred thirty-one million, eight hundred seventy-three thousand, eight hundred seventy-nine".