2136535236 has 54 divisors (see below), whose sum is σ = 5936303646. Its totient is φ = 647433600.

The previous prime is 2136535213. The next prime is 2136535273. The reversal of 2136535236 is 6325356312.

2136535236 is a `hidden beast` number, since 213 + 65 + 352 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1701562500 + 434972736 = 41250^2 + 20856^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2136535236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 240885 + ... + 249596.

It is an arithmetic number, because the mean of its divisors is an integer number (109931549).

Almost surely, 2^2136535236 is an apocalyptic number.

It is an amenable number.

2136535236 is an abundant number, since it is smaller than the sum of its proper divisors (3799768410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2136535236 is a wasteful number, since it uses less digits than its factorization.

2136535236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490513 (or 490497 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 2136535236 is about 46222.6701522099. The cubic root of 2136535236 is about 1287.9628998290.

The spelling of 2136535236 in words is "two billion, one hundred thirty-six million, five hundred thirty-five thousand, two hundred thirty-six".