3139056439 has 2 divisors, whose sum is σ = 3139056440. Its totient is φ = 3139056438.

The previous prime is 3139056407. The next prime is 3139056499. The reversal of 3139056439 is 9346509313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3139056439 - 2⁵ = 3139056407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3139056395 and 3139056404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3139056499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569528219 + 1569528220.

It is an arithmetic number, because the mean of its divisors is an integer number (1569528220).

Almost surely, 2^3139056439 is an apocalyptic number.

3139056439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3139056439 is an equidigital number, since it uses as much as digits as its factorization.

3139056439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 43.

The square root of 3139056439 is about 56027.2829878444. The cubic root of 3139056439 is about 1464.1976587153.

The spelling of 3139056439 in words is "three billion, one hundred thirty-nine million, fifty-six thousand, four hundred thirty-nine".