130585979 has 4 divisors (see below), whose sum is σ = 130681920. Its totient is φ = 130490040.

The previous prime is 130585967. The next prime is 130585997. The reversal of 130585979 is 979585031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979585031 = 61 ⋅16058771.

It is a cyclic number.

It is not a de Polignac number, because 130585979 - 2⁴ = 130585963 is a prime.

It is a super-2 number, since 2×130585979² = 34105395822776882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130585999) 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, 45899 + ... + 48660.

It is an arithmetic number, because the mean of its divisors is an integer number (32670480).

Almost surely, 2^130585979 is an apocalyptic number.

130585979 is a deficient number, since it is larger than the sum of its proper divisors (95941).

130585979 is an equidigital number, since it uses as much as digits as its factorization.

130585979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95940.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 130585979 is about 11427.4222377577. The cubic root of 130585979 is about 507.3397023407.

The spelling of 130585979 in words is "one hundred thirty million, five hundred eighty-five thousand, nine hundred seventy-nine".