320014129 has 2 divisors, whose sum is σ = 320014130. Its totient is φ = 320014128.

The previous prime is 320014067. The next prime is 320014141. The reversal of 320014129 is 921410023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187142400 + 132871729 = 13680^2 + 11527^2 .

It is a cyclic number.

It is not a de Polignac number, because 320014129 - 2¹¹ = 320012081 is a prime.

It is not a weakly prime, because it can be changed into another prime (320114129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160007064 + 160007065.

It is an arithmetic number, because the mean of its divisors is an integer number (160007065).

Almost surely, 2^320014129 is an apocalyptic number.

It is an amenable number.

320014129 is a deficient number, since it is larger than the sum of its proper divisors (1).

320014129 is an equidigital number, since it uses as much as digits as its factorization.

320014129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 320014129 is about 17888.9387331949. The cubic root of 320014129 is about 684.0004452934. Note that the first 3 decimals are identical.

The spelling of 320014129 in words is "three hundred twenty million, fourteen thousand, one hundred twenty-nine".