2135130402 has 16 divisors (see below), whose sum is σ = 4521452832. Its totient is φ = 669844800.

The previous prime is 2135130397. The next prime is 2135130427. The reversal of 2135130402 is 2040315312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10466224 + ... + 10466427.

It is an arithmetic number, because the mean of its divisors is an integer number (282590802).

Almost surely, 2^2135130402 is an apocalyptic number.

2135130402 is an abundant number, since it is smaller than the sum of its proper divisors (2386322430).

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

2135130402 is a wasteful number, since it uses less digits than its factorization.

2135130402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20932673.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2135130402 is about 46207.4712790042. The cubic root of 2135130402 is about 1287.6805469243.

Adding to 2135130402 its reverse (2040315312), we get a palindrome (4175445714).

The spelling of 2135130402 in words is "two billion, one hundred thirty-five million, one hundred thirty thousand, four hundred two".