13149139 has 2 divisors, whose sum is σ = 13149140. Its totient is φ = 13149138.

The previous prime is 13149133. The next prime is 13149163. The reversal of 13149139 is 93194131.

13149139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (93194131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13149139 - 2¹³ = 13140947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13149139.

It is not a weakly prime, because it can be changed into another prime (13149133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6574569 + 6574570.

It is an arithmetic number, because the mean of its divisors is an integer number (6574570).

Almost surely, 2^13149139 is an apocalyptic number.

13149139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13149139 is an equidigital number, since it uses as much as digits as its factorization.

13149139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 31.

The square root of 13149139 is about 3626.1741546705. The cubic root of 13149139 is about 236.0292205033.

The spelling of 13149139 in words is "thirteen million, one hundred forty-nine thousand, one hundred thirty-nine".