2126213136 has 60 divisors (see below), whose sum is σ = 5963537580. Its totient is φ = 707178240.

The previous prime is 2126213123. The next prime is 2126213179. The reversal of 2126213136 is 6313126212.

2126213136 is a `hidden beast` number, since 2 + 1 + 2 + 621 + 3 + 1 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 221414400 + 1904798736 = 14880^2 + 43644^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50370 + ... + 82398.

It is an arithmetic number, because the mean of its divisors is an integer number (99392293).

Almost surely, 2^2126213136 is an apocalyptic number.

It is an amenable number.

2126213136 is an abundant number, since it is smaller than the sum of its proper divisors (3837324444).

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

2126213136 is a wasteful number, since it uses less digits than its factorization.

2126213136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32504 (or 32495 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2126213136 is about 46110.8787164157. The cubic root of 2126213136 is about 1285.8854008867.

Adding to 2126213136 its reverse (6313126212), we get a palindrome (8439339348).

The spelling of 2126213136 in words is "two billion, one hundred twenty-six million, two hundred thirteen thousand, one hundred thirty-six".