3139105397 has 2 divisors, whose sum is σ = 3139105398. Its totient is φ = 3139105396.

The previous prime is 3139105379. The next prime is 3139105399. The reversal of 3139105397 is 7935019313.

Together with previous prime (3139105379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3138912676 + 192721 = 56026^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 3139105397 - 2¹⁰ = 3139104373 is a prime.

Together with 3139105399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3139105399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569552698 + 1569552699.

It is an arithmetic number, because the mean of its divisors is an integer number (1569552699).

Almost surely, 2^3139105397 is an apocalyptic number.

It is an amenable number.

3139105397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3139105397 is an equidigital number, since it uses as much as digits as its factorization.

3139105397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76545, while the sum is 41.

The square root of 3139105397 is about 56027.7198982789. The cubic root of 3139105397 is about 1464.2052707496.

The spelling of 3139105397 in words is "three billion, one hundred thirty-nine million, one hundred five thousand, three hundred ninety-seven".