320113139 has 2 divisors, whose sum is σ = 320113140. Its totient is φ = 320113138.

The previous prime is 320113127. The next prime is 320113151. The reversal of 320113139 is 931311023.

It is a balanced prime because it is at equal distance from previous prime (320113127) and next prime (320113151).

It is a cyclic number.

It is not a de Polignac number, because 320113139 - 2²⁰ = 319064563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320113169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160056569 + 160056570.

It is an arithmetic number, because the mean of its divisors is an integer number (160056570).

Almost surely, 2^320113139 is an apocalyptic number.

320113139 is a deficient number, since it is larger than the sum of its proper divisors (1).

320113139 is an equidigital number, since it uses as much as digits as its factorization.

320113139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 320113139 is about 17891.7058717161. The cubic root of 320113139 is about 684.0709795760.

The spelling of 320113139 in words is "three hundred twenty million, one hundred thirteen thousand, one hundred thirty-nine".