13168139 has 2 divisors, whose sum is σ = 13168140. Its totient is φ = 13168138.

The previous prime is 13168123. The next prime is 13168193. The reversal of 13168139 is 93186131.

13168139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (13168193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (93186131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13168139 - 2⁴ = 13168123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13168109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6584069 + 6584070.

It is an arithmetic number, because the mean of its divisors is an integer number (6584070).

Almost surely, 2^13168139 is an apocalyptic number.

13168139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13168139 is an equidigital number, since it uses as much as digits as its factorization.

13168139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The square root of 13168139 is about 3628.7930500374. The cubic root of 13168139 is about 236.1428501719.

The spelling of 13168139 in words is "thirteen million, one hundred sixty-eight thousand, one hundred thirty-nine".