130109979 has 8 divisors (see below), whose sum is σ = 179462160. Its totient is φ = 83748896.

The previous prime is 130109963. The next prime is 130109983. The reversal of 130109979 is 979901031.

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 130109979 - 2⁴ = 130109963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130109939) 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 7 ways as a sum of consecutive naturals, for example, 747672 + ... + 747845.

It is an arithmetic number, because the mean of its divisors is an integer number (22432770).

Almost surely, 2^130109979 is an apocalyptic number.

130109979 is a deficient number, since it is larger than the sum of its proper divisors (49352181).

130109979 is a wasteful number, since it uses less digits than its factorization.

130109979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495549.

The product of its (nonzero) digits is 15309, while the sum is 39.

The square root of 130109979 is about 11406.5761295842. The cubic root of 130109979 is about 506.7225158215.

The spelling of 130109979 in words is "one hundred thirty million, one hundred nine thousand, nine hundred seventy-nine".