3138279539 has 2 divisors, whose sum is σ = 3138279540. Its totient is φ = 3138279538.

The previous prime is 3138279527. The next prime is 3138279569. The reversal of 3138279539 is 9359728313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3138279539 - 2²⁸ = 2869844083 is a prime.

It is not a weakly prime, because it can be changed into another prime (3138279569) 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 as a sum of consecutive naturals, namely, 1569139769 + 1569139770.

It is an arithmetic number, because the mean of its divisors is an integer number (1569139770).

Almost surely, 2^3138279539 is an apocalyptic number.

3138279539 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138279539 is an equidigital number, since it uses as much as digits as its factorization.

3138279539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The square root of 3138279539 is about 56020.3493295070. The cubic root of 3138279539 is about 1464.0768550024.

The spelling of 3138279539 in words is "three billion, one hundred thirty-eight million, two hundred seventy-nine thousand, five hundred thirty-nine".