327042139 has 2 divisors, whose sum is σ = 327042140. Its totient is φ = 327042138.

The previous prime is 327042137. The next prime is 327042173. The reversal of 327042139 is 931240723.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 327042139 - 2¹ = 327042137 is a prime.

Together with 327042137, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 327042139.

It is not a weakly prime, because it can be changed into another prime (327042137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163521069 + 163521070.

It is an arithmetic number, because the mean of its divisors is an integer number (163521070).

Almost surely, 2^327042139 is an apocalyptic number.

327042139 is a deficient number, since it is larger than the sum of its proper divisors (1).

327042139 is an equidigital number, since it uses as much as digits as its factorization.

327042139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 327042139 is about 18084.3064285031. The cubic root of 327042139 is about 688.9714697809.

It can be divided in two parts, 32704 and 2139, that added together give a palindrome (34843).

The spelling of 327042139 in words is "three hundred twenty-seven million, forty-two thousand, one hundred thirty-nine".