130979 has 4 divisors (see below), whose sum is σ = 131784. Its totient is φ = 130176.

The previous prime is 130973. The next prime is 130981. The reversal of 130979 is 979031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62 + ... + 515.

It is an arithmetic number, because the mean of its divisors is an integer number (32946).

2¹³⁰⁹⁷⁹ is an apocalyptic number.

130979 is a deficient number, since it is larger than the sum of its proper divisors (805).

130979 is an equidigital number, since it uses as much as digits as its factorization.

130979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 130979 is about 361.9102098587. The cubic root of 130979 is about 50.7848167988.

The spelling of 130979 in words is "one hundred thirty thousand, nine hundred seventy-nine".