135605269 has 8 divisors (see below), whose sum is σ = 136692512. Its totient is φ = 134522640.

The previous prime is 135605251. The next prime is 135605297. The reversal of 135605269 is 962506531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135605269 - 2⁵ = 135605237 is a prime.

It is a super-2 number, since 2×135605269² = 36777577961124722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135605219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77842 + ... + 79564.

It is an arithmetic number, because the mean of its divisors is an integer number (17086564).

Almost surely, 2^135605269 is an apocalyptic number.

It is an amenable number.

135605269 is a deficient number, since it is larger than the sum of its proper divisors (1087243).

135605269 is a wasteful number, since it uses less digits than its factorization.

135605269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 135605269 is about 11644.9675396714. The cubic root of 135605269 is about 513.7583043592.

The spelling of 135605269 in words is "one hundred thirty-five million, six hundred five thousand, two hundred sixty-nine".