130188679 has 4 divisors (see below), whose sum is σ = 130379976. Its totient is φ = 129997384.

The previous prime is 130188677. The next prime is 130188733. The reversal of 130188679 is 976881031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976881031 = 7 ⋅139554433.

It is a cyclic number.

It is not a de Polignac number, because 130188679 - 2¹ = 130188677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130188673) 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 3 ways as a sum of consecutive naturals, for example, 94624 + ... + 95989.

It is an arithmetic number, because the mean of its divisors is an integer number (32594994).

Almost surely, 2^130188679 is an apocalyptic number.

130188679 is a deficient number, since it is larger than the sum of its proper divisors (191297).

130188679 is an equidigital number, since it uses as much as digits as its factorization.

130188679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191296.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 130188679 is about 11410.0253724521. The cubic root of 130188679 is about 506.8246628011.

The spelling of 130188679 in words is "one hundred thirty million, one hundred eighty-eight thousand, six hundred seventy-nine".