135659765 has 16 divisors (see below), whose sum is σ = 166320000. Its totient is φ = 106201152.

The previous prime is 135659747. The next prime is 135659789. The reversal of 135659765 is 567956531.

It is a cyclic number.

It is not a de Polignac number, because 135659765 - 2¹⁴ = 135643381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43736 + ... + 46734.

It is an arithmetic number, because the mean of its divisors is an integer number (10395000).

Almost surely, 2^135659765 is an apocalyptic number.

It is an amenable number.

135659765 is a deficient number, since it is larger than the sum of its proper divisors (30660235).

135659765 is a wasteful number, since it uses less digits than its factorization.

135659765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196.

The product of its digits is 850500, while the sum is 47.

The square root of 135659765 is about 11647.3071995204. The cubic root of 135659765 is about 513.8271168842.

The spelling of 135659765 in words is "one hundred thirty-five million, six hundred fifty-nine thousand, seven hundred sixty-five".