135269899 has 2 divisors, whose sum is σ = 135269900. Its totient is φ = 135269898.

The previous prime is 135269887. The next prime is 135269971. The reversal of 135269899 is 998962531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135269899 - 2²³ = 126881291 is a prime.

It is not a weakly prime, because it can be changed into another prime (135269699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67634949 + 67634950.

It is an arithmetic number, because the mean of its divisors is an integer number (67634950).

Almost surely, 2^135269899 is an apocalyptic number.

135269899 is a deficient number, since it is larger than the sum of its proper divisors (1).

135269899 is an equidigital number, since it uses as much as digits as its factorization.

135269899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 52.

The square root of 135269899 is about 11630.5588429791. The cubic root of 135269899 is about 513.3344236873.

The spelling of 135269899 in words is "one hundred thirty-five million, two hundred sixty-nine thousand, eight hundred ninety-nine".