379311139 has 4 divisors (see below), whose sum is σ = 384507256. Its totient is φ = 374115024.

The previous prime is 379311091. The next prime is 379311167. The reversal of 379311139 is 931113973.

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 379311139 - 2⁷ = 379311011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 379311098 and 379311107.

It is not an unprimeable number, because it can be changed into a prime (379311169) 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, 2597949 + ... + 2598094.

It is an arithmetic number, because the mean of its divisors is an integer number (96126814).

Almost surely, 2^379311139 is an apocalyptic number.

379311139 is a deficient number, since it is larger than the sum of its proper divisors (5196117).

379311139 is an equidigital number, since it uses as much as digits as its factorization.

379311139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196116.

The product of its digits is 15309, while the sum is 37.

The square root of 379311139 is about 19475.9117629958. The cubic root of 379311139 is about 723.8777017106.

The spelling of 379311139 in words is "three hundred seventy-nine million, three hundred eleven thousand, one hundred thirty-nine".