2133999 has 24 divisors (see below), whose sum is σ = 3679920. Its totient is φ = 1218672.

The previous prime is 2133997. The next prime is 2134003. The reversal of 2133999 is 9993312.

It is not a de Polignac number, because 2133999 - 2¹ = 2133997 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517 + ... + 2129.

It is an arithmetic number, because the mean of its divisors is an integer number (153330).

2^2133999 is an apocalyptic number.

2133999 is a deficient number, since it is larger than the sum of its proper divisors (1545921).

2133999 is a wasteful number, since it uses less digits than its factorization.

2133999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1623 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 2133999 is about 1460.8213443128. The cubic root of 2133999 is about 128.7453060154.

The spelling of 2133999 in words is "two million, one hundred thirty-three thousand, nine hundred ninety-nine".