130944579 has 4 divisors (see below), whose sum is σ = 174592776. Its totient is φ = 87296384.

The previous prime is 130944577. The next prime is 130944629. The reversal of 130944579 is 975449031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 975449031 = 3 ⋅325149677.

It is a cyclic number.

It is not a de Polignac number, because 130944579 - 2¹ = 130944577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130944579.

It is not an unprimeable number, because it can be changed into a prime (130944571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21824094 + ... + 21824099.

It is an arithmetic number, because the mean of its divisors is an integer number (43648194).

Almost surely, 2^130944579 is an apocalyptic number.

130944579 is a deficient number, since it is larger than the sum of its proper divisors (43648197).

130944579 is an equidigital number, since it uses as much as digits as its factorization.

130944579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43648196.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 130944579 is about 11443.1018085133. The cubic root of 130944579 is about 507.8036769541.

The spelling of 130944579 in words is "one hundred thirty million, nine hundred forty-four thousand, five hundred seventy-nine".