131832979 has 8 divisors (see below), whose sum is σ = 135390528. Its totient is φ = 128306880.

The previous prime is 131832949. The next prime is 131832983. The reversal of 131832979 is 979238131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131832979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131832929) 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 7 ways as a sum of consecutive naturals, for example, 759 + ... + 16255.

It is an arithmetic number, because the mean of its divisors is an integer number (16923816).

Almost surely, 2^131832979 is an apocalyptic number.

131832979 is a deficient number, since it is larger than the sum of its proper divisors (3557549).

131832979 is a wasteful number, since it uses less digits than its factorization.

131832979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15725.

The product of its digits is 81648, while the sum is 43.

The square root of 131832979 is about 11481.8543362995. The cubic root of 131832979 is about 508.9494959817.

The spelling of 131832979 in words is "one hundred thirty-one million, eight hundred thirty-two thousand, nine hundred seventy-nine".