1314342509 has 2 divisors, whose sum is σ = 1314342510. Its totient is φ = 1314342508.

The previous prime is 1314342493. The next prime is 1314342569. The reversal of 1314342509 is 9052434131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1314280009 + 62500 = 36253^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314342509 - 2⁴ = 1314342493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314342569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657171254 + 657171255.

It is an arithmetic number, because the mean of its divisors is an integer number (657171255).

Almost surely, 2^1314342509 is an apocalyptic number.

It is an amenable number.

1314342509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314342509 is an equidigital number, since it uses as much as digits as its factorization.

1314342509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1314342509 is about 36253.8619873800. The cubic root of 1314342509 is about 1095.3918821423.

The spelling of 1314342509 in words is "one billion, three hundred fourteen million, three hundred forty-two thousand, five hundred nine".