135663065 has 16 divisors (see below), whose sum is σ = 167479488. Its totient is φ = 105435456.

The previous prime is 135663049. The next prime is 135663071. The reversal of 135663065 is 560366531.

It is a cyclic number.

It is not a de Polignac number, because 135663065 - 2⁴ = 135663049 is a prime.

It is a Duffinian 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, 40754 + ... + 43956.

It is an arithmetic number, because the mean of its divisors is an integer number (10467468).

Almost surely, 2^135663065 is an apocalyptic number.

It is an amenable number.

135663065 is a deficient number, since it is larger than the sum of its proper divisors (31816423).

135663065 is a wasteful number, since it uses less digits than its factorization.

135663065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 135663065 is about 11647.4488623046. The cubic root of 135663065 is about 513.8312832282.

The spelling of 135663065 in words is "one hundred thirty-five million, six hundred sixty-three thousand, sixty-five".