13140329 has 2 divisors, whose sum is σ = 13140330. Its totient is φ = 13140328.

The previous prime is 13140317. The next prime is 13140331. The reversal of 13140329 is 92304131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11323225 + 1817104 = 3365^2 + 1348^2 .

It is an emirp because it is prime and its reverse (92304131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13140329 - 2⁴ = 13140313 is a prime.

It is a Sophie Germain prime.

Together with 13140331, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13140359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570164 + 6570165.

It is an arithmetic number, because the mean of its divisors is an integer number (6570165).

Almost surely, 2^13140329 is an apocalyptic number.

It is an amenable number.

13140329 is a deficient number, since it is larger than the sum of its proper divisors (1).

13140329 is an equidigital number, since it uses as much as digits as its factorization.

13140329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13140329 is about 3624.9591721839. The cubic root of 13140329 is about 235.9764950736.

The spelling of 13140329 in words is "thirteen million, one hundred forty thousand, three hundred twenty-nine".