135202399 has 2 divisors, whose sum is σ = 135202400. Its totient is φ = 135202398.

The previous prime is 135202393. The next prime is 135202427. The reversal of 135202399 is 993202531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135202399 - 2¹⁵ = 135169631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135202393) 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, 67601199 + 67601200.

It is an arithmetic number, because the mean of its divisors is an integer number (67601200).

Almost surely, 2^135202399 is an apocalyptic number.

135202399 is a deficient number, since it is larger than the sum of its proper divisors (1).

135202399 is an equidigital number, since it uses as much as digits as its factorization.

135202399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 135202399 is about 11627.6566426774. The cubic root of 135202399 is about 513.2490244498.

The spelling of 135202399 in words is "one hundred thirty-five million, two hundred two thousand, three hundred ninety-nine".