135079259 has 4 divisors (see below), whose sum is σ = 154376304. Its totient is φ = 115782216.

The previous prime is 135079213. The next prime is 135079271. The reversal of 135079259 is 952970531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135079259 - 2⁸ = 135079003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135079289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9648512 + ... + 9648525.

It is an arithmetic number, because the mean of its divisors is an integer number (38594076).

Almost surely, 2^135079259 is an apocalyptic number.

135079259 is a deficient number, since it is larger than the sum of its proper divisors (19297045).

135079259 is an equidigital number, since it uses as much as digits as its factorization.

135079259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19297044.

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 135079259 is about 11622.3603024515. The cubic root of 135079259 is about 513.0931576835.

The spelling of 135079259 in words is "one hundred thirty-five million, seventy-nine thousand, two hundred fifty-nine".