135323407399 has 2 divisors, whose sum is σ = 135323407400. Its totient is φ = 135323407398.

The previous prime is 135323407369. The next prime is 135323407421. The reversal of 135323407399 is 993704323531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135323407399 - 2³³ = 126733472807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135323407369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67661703699 + 67661703700.

It is an arithmetic number, because the mean of its divisors is an integer number (67661703700).

Almost surely, 2^135323407399 is an apocalyptic number.

135323407399 is a deficient number, since it is larger than the sum of its proper divisors (1).

135323407399 is an equidigital number, since it uses as much as digits as its factorization.

135323407399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 49.

The spelling of 135323407399 in words is "one hundred thirty-five billion, three hundred twenty-three million, four hundred seven thousand, three hundred ninety-nine".