1379320339 has 4 divisors (see below), whose sum is σ = 1385505856. Its totient is φ = 1373134824.

The previous prime is 1379320321. The next prime is 1379320387. The reversal of 1379320339 is 9330239731.

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 1379320339 - 2⁵ = 1379320307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379320739) 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, 3092424 + ... + 3092869.

It is an arithmetic number, because the mean of its divisors is an integer number (346376464).

Almost surely, 2^1379320339 is an apocalyptic number.

1379320339 is a deficient number, since it is larger than the sum of its proper divisors (6185517).

1379320339 is an equidigital number, since it uses as much as digits as its factorization.

1379320339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185516.

The product of its (nonzero) digits is 91854, while the sum is 40.

The square root of 1379320339 is about 37139.2021858305. The cubic root of 1379320339 is about 1113.1534758422.

The spelling of 1379320339 in words is "one billion, three hundred seventy-nine million, three hundred twenty thousand, three hundred thirty-nine".