3139240339 has 2 divisors, whose sum is σ = 3139240340. Its totient is φ = 3139240338.

The previous prime is 3139240319. The next prime is 3139240367. The reversal of 3139240339 is 9330429313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3139240339 - 2²¹ = 3137143187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3139240298 and 3139240307.

It is not a weakly prime, because it can be changed into another prime (3139240319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569620169 + 1569620170.

It is an arithmetic number, because the mean of its divisors is an integer number (1569620170).

Almost surely, 2^3139240339 is an apocalyptic number.

3139240339 is a deficient number, since it is larger than the sum of its proper divisors (1).

3139240339 is an equidigital number, since it uses as much as digits as its factorization.

3139240339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 3139240339 is about 56028.9241285249. The cubic root of 3139240339 is about 1464.2262512447.

The spelling of 3139240339 in words is "three billion, one hundred thirty-nine million, two hundred forty thousand, three hundred thirty-nine".