2135215432 has 16 divisors (see below), whose sum is σ = 4575461760. Its totient is φ = 915092304.

The previous prime is 2135215363. The next prime is 2135215463. The reversal of 2135215432 is 2345125312.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2135215432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19064368 + ... + 19064479.

It is an arithmetic number, because the mean of its divisors is an integer number (285966360).

Almost surely, 2^2135215432 is an apocalyptic number.

It is an amenable number.

2135215432 is an abundant number, since it is smaller than the sum of its proper divisors (2440246328).

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

2135215432 is a wasteful number, since it uses less digits than its factorization.

2135215432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38128860 (or 38128856 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 2135215432 is about 46208.3913591460. The cubic root of 2135215432 is about 1287.6976403414.

The spelling of 2135215432 in words is "two billion, one hundred thirty-five million, two hundred fifteen thousand, four hundred thirty-two".