135323407369 has 2 divisors, whose sum is σ = 135323407370. Its totient is φ = 135323407368.

The previous prime is 135323407337. The next prime is 135323407399. The reversal of 135323407369 is 963704323531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114794248969 + 20529158400 = 338813^2 + 143280^2 .

It is a cyclic number.

It is not a de Polignac number, because 135323407369 - 2⁵ = 135323407337 is a prime.

It is a super-2 number, since 2×135323407369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135323407399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67661703684 + 67661703685.

It is an arithmetic number, because the mean of its divisors is an integer number (67661703685).

Almost surely, 2^135323407369 is an apocalyptic number.

It is an amenable number.

135323407369 is a deficient number, since it is larger than the sum of its proper divisors (1).

135323407369 is an equidigital number, since it uses as much as digits as its factorization.

135323407369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 46.

The spelling of 135323407369 in words is "one hundred thirty-five billion, three hundred twenty-three million, four hundred seven thousand, three hundred sixty-nine".