131879 has 8 divisors (see below), whose sum is σ = 151680. Its totient is φ = 113400.

The previous prime is 131861. The next prime is 131891. The reversal of 131879 is 978131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131879 - 2¹⁶ = 66343 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 (131839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107 + ... + 524.

It is an arithmetic number, because the mean of its divisors is an integer number (18960).

2¹³¹⁸⁷⁹ is an apocalyptic number.

131879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

131879 is a deficient number, since it is larger than the sum of its proper divisors (19801).

131879 is a wasteful number, since it uses less digits than its factorization.

131879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its digits is 1512, while the sum is 29.

The square root of 131879 is about 363.1514835437. The cubic root of 131879 is about 50.9008711412.

The spelling of 131879 in words is "one hundred thirty-one thousand, eight hundred seventy-nine".