2135271828 has 48 divisors (see below), whose sum is σ = 5031649280. Its totient is φ = 704731104.

The previous prime is 2135271731. The next prime is 2135271829. The reversal of 2135271828 is 8281725312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135271829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978843 + ... + 981021.

Almost surely, 2^2135271828 is an apocalyptic number.

It is an amenable number.

2135271828 is an abundant number, since it is smaller than the sum of its proper divisors (2896377452).

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

2135271828 is a wasteful number, since it uses less digits than its factorization.

2135271828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 2954 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 2135271828 is about 46209.0015905992. The cubic root of 2135271828 is about 1287.7089772703.

The spelling of 2135271828 in words is "two billion, one hundred thirty-five million, two hundred seventy-one thousand, eight hundred twenty-eight".