130879999 has 8 divisors (see below), whose sum is σ = 137882240. Its totient is φ = 123889176.

The previous prime is 130879993. The next prime is 130880017. The reversal of 130879999 is 999978031.

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 130879999 - 2¹⁵ = 130847231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130879993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31222 + ... + 35164.

It is an arithmetic number, because the mean of its divisors is an integer number (17235280).

Almost surely, 2^130879999 is an apocalyptic number.

130879999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

130879999 is a deficient number, since it is larger than the sum of its proper divisors (7002241).

130879999 is a wasteful number, since it uses less digits than its factorization.

130879999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The square root of 130879999 is about 11440.2796731548. The cubic root of 130879999 is about 507.7201827146.

The spelling of 130879999 in words is "one hundred thirty million, eight hundred seventy-nine thousand, nine hundred ninety-nine".