13969936139 has 2 divisors, whose sum is σ = 13969936140. Its totient is φ = 13969936138.

The previous prime is 13969936091. The next prime is 13969936207. The reversal of 13969936139 is 93163996931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13969936139 is a prime.

It is not a weakly prime, because it can be changed into another prime (13969936039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6984968069 + 6984968070.

It is an arithmetic number, because the mean of its divisors is an integer number (6984968070).

Almost surely, 2^13969936139 is an apocalyptic number.

13969936139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13969936139 is an equidigital number, since it uses as much as digits as its factorization.

13969936139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6377292, while the sum is 59.

The spelling of 13969936139 in words is "thirteen billion, nine hundred sixty-nine million, nine hundred thirty-six thousand, one hundred thirty-nine".