2142319 has 4 divisors (see below), whose sum is σ = 2166480. Its totient is φ = 2118160.

The previous prime is 2142299. The next prime is 2142341. The reversal of 2142319 is 9132412.

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

It is a cyclic number.

It is not a de Polignac number, because 2142319 - 2⁹ = 2141807 is a prime.

It is a super-2 number, since 2×2142319² = 9179061395522, which contains 22 as substring.

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 2142319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142719) 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, 11947 + ... + 12124.

It is an arithmetic number, because the mean of its divisors is an integer number (541620).

2^2142319 is an apocalyptic number.

2142319 is a deficient number, since it is larger than the sum of its proper divisors (24161).

2142319 is an equidigital number, since it uses as much as digits as its factorization.

2142319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24160.

The product of its digits is 432, while the sum is 22.

The square root of 2142319 is about 1463.6662871024. Note that the first 3 decimals coincide. The cubic root of 2142319 is about 128.9124057311.

The spelling of 2142319 in words is "two million, one hundred forty-two thousand, three hundred nineteen".