13335139 has 2 divisors, whose sum is σ = 13335140. Its totient is φ = 13335138.

The previous prime is 13335107. The next prime is 13335151. The reversal of 13335139 is 93153331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13335139 - 2⁵ = 13335107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13330139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6667569 + 6667570.

It is an arithmetic number, because the mean of its divisors is an integer number (6667570).

Almost surely, 2^13335139 is an apocalyptic number.

13335139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13335139 is an equidigital number, since it uses as much as digits as its factorization.

13335139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3645, while the sum is 28.

The square root of 13335139 is about 3651.7309594218. The cubic root of 13335139 is about 237.1369240890.

The spelling of 13335139 in words is "thirteen million, three hundred thirty-five thousand, one hundred thirty-nine".