2133535540 has 12 divisors (see below), whose sum is σ = 4480424676. Its totient is φ = 853414208.

The previous prime is 2133535529. The next prime is 2133535543. The reversal of 2133535540 is 455353312.

2133535540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 332551696 + 1800983844 = 18236^2 + 42438^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133535543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53338369 + ... + 53338408.

It is an arithmetic number, because the mean of its divisors is an integer number (373368723).

Almost surely, 2^2133535540 is an apocalyptic number.

2133535540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133535540 is an abundant number, since it is smaller than the sum of its proper divisors (2346889136).

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

2133535540 is a wasteful number, since it uses less digits than its factorization.

2133535540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106676786 (or 106676784 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2133535540 is about 46190.2104346798. The cubic root of 2133535540 is about 1287.3598507705.

Adding to 2133535540 its reverse (455353312), we get a palindrome (2588888852).

The spelling of 2133535540 in words is "two billion, one hundred thirty-three million, five hundred thirty-five thousand, five hundred forty".