2133791 has 8 divisors (see below), whose sum is σ = 2408400. Its totient is φ = 1872640.

The previous prime is 2133773. The next prime is 2133793. The reversal of 2133791 is 1973312.

2133791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2133791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2133791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3026 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (301050).

2^2133791 is an apocalyptic number.

2133791 is a deficient number, since it is larger than the sum of its proper divisors (274609).

2133791 is a wasteful number, since it uses less digits than its factorization.

2133791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729.

The product of its digits is 1134, while the sum is 26.

The square root of 2133791 is about 1460.7501497518. The cubic root of 2133791 is about 128.7411229623.

It can be divided in two parts, 213 and 3791, that added together give a palindrome (4004).

The spelling of 2133791 in words is "two million, one hundred thirty-three thousand, seven hundred ninety-one".