2130135220 has 24 divisors (see below), whose sum is σ = 4708720800. Its totient is φ = 807208992.

The previous prime is 2130135211. The next prime is 2130135257. The reversal of 2130135220 is 225310312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 2802430 + ... + 2803189.

It is an arithmetic number, because the mean of its divisors is an integer number (196196700).

Almost surely, 2^2130135220 is an apocalyptic number.

2130135220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130135220 is an abundant number, since it is smaller than the sum of its proper divisors (2578585580).

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

2130135220 is a wasteful number, since it uses less digits than its factorization.

2130135220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605647 (or 5605645 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2130135220 is about 46153.3879579820. The cubic root of 2130135220 is about 1286.6755776570.

Adding to 2130135220 its reverse (225310312), we get a palindrome (2355445532).

The spelling of 2130135220 in words is "two billion, one hundred thirty million, one hundred thirty-five thousand, two hundred twenty".