2136204252 has 144 divisors (see below), whose sum is σ = 6892401152. Its totient is φ = 563371200.

The previous prime is 2136204247. The next prime is 2136204253. The reversal of 2136204252 is 2524026312.

It is a happy number.

2136204252 is a `hidden beast` number, since 2 + 13 + 620 + 4 + 25 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136204253) 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, 76377 + ... + 100527.

Almost surely, 2^2136204252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136204252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3446200576).

2136204252 is an abundant number, since it is smaller than the sum of its proper divisors (4756196900).

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

2136204252 is a wasteful number, since it uses less digits than its factorization.

2136204252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24190 (or 24176 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2136204252 is about 46219.0896924637. The cubic root of 2136204252 is about 1287.8963876054.

The spelling of 2136204252 in words is "two billion, one hundred thirty-six million, two hundred four thousand, two hundred fifty-two".