2136473136 has 120 divisors (see below), whose sum is σ = 6860156160. Its totient is φ = 608024448.

The previous prime is 2136473117. The next prime is 2136473149. The reversal of 2136473136 is 6313746312.

2136473136 is a `hidden beast` number, since 2 + 1 + 3 + 647 + 3 + 1 + 3 + 6 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2136473136.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261075 + ... + 269133.

It is an arithmetic number, because the mean of its divisors is an integer number (57167968).

Almost surely, 2^2136473136 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 2136473136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3430078080).

2136473136 is an abundant number, since it is smaller than the sum of its proper divisors (4723683024).

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

2136473136 is a wasteful number, since it uses less digits than its factorization.

2136473136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8343 (or 8334 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 2136473136 is about 46221.9983990307. The cubic root of 2136473136 is about 1287.9504211720.

The spelling of 2136473136 in words is "two billion, one hundred thirty-six million, four hundred seventy-three thousand, one hundred thirty-six".