130889679 has 4 divisors (see below), whose sum is σ = 174519576. Its totient is φ = 87259784.

The previous prime is 130889677. The next prime is 130889687. The reversal of 130889679 is 976988031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130889679 - 2¹ = 130889677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130889677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21814944 + ... + 21814949.

It is an arithmetic number, because the mean of its divisors is an integer number (43629894).

Almost surely, 2^130889679 is an apocalyptic number.

130889679 is a deficient number, since it is larger than the sum of its proper divisors (43629897).

130889679 is an equidigital number, since it uses as much as digits as its factorization.

130889679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43629896.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 130889679 is about 11440.7027319129. The cubic root of 130889679 is about 507.7326995500.

The spelling of 130889679 in words is "one hundred thirty million, eight hundred eighty-nine thousand, six hundred seventy-nine".