2140213 has 4 divisors (see below), whose sum is σ = 2146240. Its totient is φ = 2134188.

The previous prime is 2140207. The next prime is 2140223. The reversal of 2140213 is 3120412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140193 and 2140202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445 + ... + 3202.

It is an arithmetic number, because the mean of its divisors is an integer number (536560).

2^2140213 is an apocalyptic number.

It is an amenable number.

2140213 is a deficient number, since it is larger than the sum of its proper divisors (6027).

2140213 is an equidigital number, since it uses as much as digits as its factorization.

2140213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2140213 is about 1462.9466839226. The cubic root of 2140213 is about 128.8701495689.

Adding to 2140213 its reverse (3120412), we get a palindrome (5260625).

The spelling of 2140213 in words is "two million, one hundred forty thousand, two hundred thirteen".