3139105399 has 2 divisors, whose sum is σ = 3139105400. Its totient is φ = 3139105398.

The previous prime is 3139105397. The next prime is 3139105429. The reversal of 3139105399 is 9935019313.

It is a weak prime.

It is an emirp because it is prime and its reverse (9935019313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3139105399 - 2¹ = 3139105397 is a prime.

Together with 3139105397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3139105397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569552699 + 1569552700.

It is an arithmetic number, because the mean of its divisors is an integer number (1569552700).

Almost surely, 2^3139105399 is an apocalyptic number.

3139105399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3139105399 is an equidigital number, since it uses as much as digits as its factorization.

3139105399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98415, while the sum is 43.

The square root of 3139105399 is about 56027.7199161272. The cubic root of 3139105399 is about 1464.2052710606.

The spelling of 3139105399 in words is "three billion, one hundred thirty-nine million, one hundred five thousand, three hundred ninety-nine".