2136200521 has 12 divisors (see below), whose sum is σ = 2676120132. Its totient is φ = 1690180128.

The previous prime is 2136200461. The next prime is 2136200531. The reversal of 2136200521 is 1250026312.

It can be written as a sum of positive squares in 2 ways, for example, as 1187560521 + 948640000 = 34461^2 + 30800^2 .

It is not a de Polignac number, because 2136200521 - 2²⁵ = 2102646089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2136200492 and 2136200501.

It is not an unprimeable number, because it can be changed into a prime (2136200531) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1676130 + ... + 1677403.

It is an arithmetic number, because the mean of its divisors is an integer number (223010011).

Almost surely, 2^2136200521 is an apocalyptic number.

It is an amenable number.

2136200521 is a deficient number, since it is larger than the sum of its proper divisors (539919611).

2136200521 is a wasteful number, since it uses less digits than its factorization.

2136200521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353560 (or 3353553 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2136200521 is about 46219.0493303356. The cubic root of 2136200521 is about 1287.8956378107.

Adding to 2136200521 its reverse (1250026312), we get a palindrome (3386226833).

The spelling of 2136200521 in words is "two billion, one hundred thirty-six million, two hundred thousand, five hundred twenty-one".