136135285 has 48 divisors (see below), whose sum is σ = 203777280. Its totient is φ = 86486400.

The previous prime is 136135283. The next prime is 136135297. The reversal of 136135285 is 582531631.

It is not a de Polignac number, because 136135285 - 2¹ = 136135283 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 136135285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136135283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148980 + ... + 149890.

It is an arithmetic number, because the mean of its divisors is an integer number (4245360).

Almost surely, 2^136135285 is an apocalyptic number.

It is an amenable number.

136135285 is a deficient number, since it is larger than the sum of its proper divisors (67641995).

136135285 is a wasteful number, since it uses less digits than its factorization.

136135285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 959 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 136135285 is about 11667.7026444798. The cubic root of 136135285 is about 514.4267791862.

The spelling of 136135285 in words is "one hundred thirty-six million, one hundred thirty-five thousand, two hundred eighty-five".