2133819 has 6 divisors (see below), whose sum is σ = 3082196. Its totient is φ = 1422540.

The previous prime is 2133811. The next prime is 2133821. The reversal of 2133819 is 9183312.

2133819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2133819 - 2³ = 2133811 is a prime.

It is a super-2 number, since 2×2133819² = 9106367049522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2133792 and 2133801.

It is not an unprimeable number, because it can be changed into a prime (2133811) 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 5 ways as a sum of consecutive naturals, for example, 118537 + ... + 118554.

2^2133819 is an apocalyptic number.

2133819 is a deficient number, since it is larger than the sum of its proper divisors (948377).

2133819 is a wasteful number, since it uses less digits than its factorization.

2133819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237097 (or 237094 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2133819 is about 1460.7597338372. The cubic root of 2133819 is about 128.7416860814.

The spelling of 2133819 in words is "two million, one hundred thirty-three thousand, eight hundred nineteen".