379039139 has 4 divisors (see below), whose sum is σ = 391266240. Its totient is φ = 366812040.

The previous prime is 379039099. The next prime is 379039147. The reversal of 379039139 is 931930973.

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: 931930973 = 17 ⋅54819469.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379039139 is a prime.

It is a super-2 number, since 2×379039139² = 287341337787722642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 379039139.

It is not an unprimeable number, because it can be changed into a prime (379039169) 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, 6113504 + ... + 6113565.

It is an arithmetic number, because the mean of its divisors is an integer number (97816560).

Almost surely, 2^379039139 is an apocalyptic number.

379039139 is a deficient number, since it is larger than the sum of its proper divisors (12227101).

379039139 is a wasteful number, since it uses less digits than its factorization.

379039139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227100.

The product of its (nonzero) digits is 137781, while the sum is 44.

The square root of 379039139 is about 19468.9275256754. The cubic root of 379039139 is about 723.7046319910.

The spelling of 379039139 in words is "three hundred seventy-nine million, thirty-nine thousand, one hundred thirty-nine".