13420251139 has 2 divisors, whose sum is σ = 13420251140. Its totient is φ = 13420251138.

The previous prime is 13420251121. The next prime is 13420251151. The reversal of 13420251139 is 93115202431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13420251139 - 2¹⁷ = 13420120067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13420251139.

It is not a weakly prime, because it can be changed into another prime (13420251179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710125569 + 6710125570.

It is an arithmetic number, because the mean of its divisors is an integer number (6710125570).

Almost surely, 2^13420251139 is an apocalyptic number.

13420251139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420251139 is an equidigital number, since it uses as much as digits as its factorization.

13420251139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 13420251139 in words is "thirteen billion, four hundred twenty million, two hundred fifty-one thousand, one hundred thirty-nine".