13140109 has 2 divisors, whose sum is σ = 13140110. Its totient is φ = 13140108.

The previous prime is 13140089. The next prime is 13140137. The reversal of 13140109 is 90104131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11410884 + 1729225 = 3378^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 13140109 - 2⁹ = 13139597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13140209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570054 + 6570055.

It is an arithmetic number, because the mean of its divisors is an integer number (6570055).

Almost surely, 2^13140109 is an apocalyptic number.

It is an amenable number.

13140109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13140109 is an equidigital number, since it uses as much as digits as its factorization.

13140109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 13140109 is about 3624.9288268875. The cubic root of 13140109 is about 235.9751781325.

The spelling of 13140109 in words is "thirteen million, one hundred forty thousand, one hundred nine".