2136636228 has 48 divisors (see below), whose sum is σ = 5353133184. Its totient is φ = 660871680.

The previous prime is 2136636217. The next prime is 2136636251. The reversal of 2136636228 is 8226366312.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59275 + ... + 88242.

It is an arithmetic number, because the mean of its divisors is an integer number (111523608).

Almost surely, 2^2136636228 is an apocalyptic number.

It is an amenable number.

2136636228 is an abundant number, since it is smaller than the sum of its proper divisors (3216496956).

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

2136636228 is a wasteful number, since it uses less digits than its factorization.

2136636228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147612 (or 147610 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 2136636228 is about 46223.7625902522. The cubic root of 2136636228 is about 1287.9831931053.

The spelling of 2136636228 in words is "two billion, one hundred thirty-six million, six hundred thirty-six thousand, two hundred twenty-eight".