13142009 has 2 divisors, whose sum is σ = 13142010. Its totient is φ = 13142008.

The previous prime is 13141991. The next prime is 13142011. The reversal of 13142009 is 90024131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10582009 + 2560000 = 3253^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 13142009 - 2⁸ = 13141753 is a prime.

Together with 13142011, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (13142069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571004 + 6571005.

It is an arithmetic number, because the mean of its divisors is an integer number (6571005).

Almost surely, 2^13142009 is an apocalyptic number.

It is an amenable number.

13142009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13142009 is an equidigital number, since it uses as much as digits as its factorization.

13142009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13142009 is about 3625.1908915256. The cubic root of 13142009 is about 235.9865512302.

The spelling of 13142009 in words is "thirteen million, one hundred forty-two thousand, nine".