2133156 has 12 divisors (see below), whose sum is σ = 4977392. Its totient is φ = 711048.

The previous prime is 2133151. The next prime is 2133167. The reversal of 2133156 is 6513312.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2133151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88870 + ... + 88893.

2^2133156 is an apocalyptic number.

It is an amenable number.

2133156 is an abundant number, since it is smaller than the sum of its proper divisors (2844236).

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

2133156 is a wasteful number, since it uses less digits than its factorization.

2133156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177770 (or 177768 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 2133156 is about 1460.5327795021. The cubic root of 2133156 is about 128.7283509017.

Adding to 2133156 its reverse (6513312), we get a palindrome (8646468).

The spelling of 2133156 in words is "two million, one hundred thirty-three thousand, one hundred fifty-six".