130612379 has 4 divisors (see below), whose sum is σ = 131275584. Its totient is φ = 129949176.

The previous prime is 130612373. The next prime is 130612387. The reversal of 130612379 is 973216031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973216031 = 449 ⋅2167519.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130612379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130612373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331307 + ... + 331700.

It is an arithmetic number, because the mean of its divisors is an integer number (32818896).

Almost surely, 2^130612379 is an apocalyptic number.

130612379 is a deficient number, since it is larger than the sum of its proper divisors (663205).

130612379 is an equidigital number, since it uses as much as digits as its factorization.

130612379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663204.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 130612379 is about 11428.5772955342. The cubic root of 130612379 is about 507.3738889248.

The spelling of 130612379 in words is "one hundred thirty million, six hundred twelve thousand, three hundred seventy-nine".