2143133 has 4 divisors (see below), whose sum is σ = 2146620. Its totient is φ = 2139648.

The previous prime is 2143109. The next prime is 2143147. The reversal of 2143133 is 3313412.

It is a happy number.

2143133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 458329 + 1684804 = 677^2 + 1298^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143133 - 2⁶ = 2143069 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143733) 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 3 ways as a sum of consecutive naturals, for example, 548 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (536655).

2^2143133 is an apocalyptic number.

It is an amenable number.

2143133 is a deficient number, since it is larger than the sum of its proper divisors (3487).

2143133 is an equidigital number, since it uses as much as digits as its factorization.

2143133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486.

The product of its digits is 216, while the sum is 17.

The square root of 2143133 is about 1463.9443295426. The cubic root of 2143133 is about 128.9287309393.

Adding to 2143133 its reverse (3313412), we get a palindrome (5456545).

The spelling of 2143133 in words is "two million, one hundred forty-three thousand, one hundred thirty-three".