135852669 has 6 divisors (see below), whose sum is σ = 196231646. Its totient is φ = 90568440.

The previous prime is 135852667. The next prime is 135852677. The reversal of 135852669 is 966258531.

135852669 is a `hidden beast` number, since 1 + 3 + 585 + 2 + 6 + 69 = 666.

135852669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 94828644 + 41024025 = 9738^2 + 6405^2 .

It is not a de Polignac number, because 135852669 - 2¹ = 135852667 is a prime.

It is a super-2 number, since 2×135852669² = 36911895348847122, 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 (135852667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7547362 + ... + 7547379.

Almost surely, 2^135852669 is an apocalyptic number.

It is an amenable number.

135852669 is a deficient number, since it is larger than the sum of its proper divisors (60378977).

135852669 is a wasteful number, since it uses less digits than its factorization.

135852669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15094747 (or 15094744 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 135852669 is about 11655.5853134881. The cubic root of 135852669 is about 514.0705503043.

The spelling of 135852669 in words is "one hundred thirty-five million, eight hundred fifty-two thousand, six hundred sixty-nine".