135323330509 has 2 divisors, whose sum is σ = 135323330510. Its totient is φ = 135323330508.

The previous prime is 135323330477. The next prime is 135323330531. The reversal of 135323330509 is 905033323531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114629644900 + 20693685609 = 338570^2 + 143853^2 .

It is a cyclic number.

It is not a de Polignac number, because 135323330509 - 2⁵ = 135323330477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135323330309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67661665254 + 67661665255.

It is an arithmetic number, because the mean of its divisors is an integer number (67661665255).

Almost surely, 2^135323330509 is an apocalyptic number.

It is an amenable number.

135323330509 is a deficient number, since it is larger than the sum of its proper divisors (1).

135323330509 is an equidigital number, since it uses as much as digits as its factorization.

135323330509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109350, while the sum is 37.

The spelling of 135323330509 in words is "one hundred thirty-five billion, three hundred twenty-three million, three hundred thirty thousand, five hundred nine".