4142239 has 8 divisors (see below), whose sum is σ = 4235760. Its totient is φ = 4049856.

The previous prime is 4142227. The next prime is 4142267. The reversal of 4142239 is 9322414.

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

It is a cyclic number.

It is not a de Polignac number, because 4142239 - 2¹⁹ = 3617951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12909 + ... + 13225.

It is an arithmetic number, because the mean of its divisors is an integer number (529470).

Almost surely, 2^4142239 is an apocalyptic number.

4142239 is a deficient number, since it is larger than the sum of its proper divisors (93521).

4142239 is a wasteful number, since it uses less digits than its factorization.

4142239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its digits is 1728, while the sum is 25.

The square root of 4142239 is about 2035.2491248002. The cubic root of 4142239 is about 160.5998188609.

The spelling of 4142239 in words is "four million, one hundred forty-two thousand, two hundred thirty-nine".