4342139 has 4 divisors (see below), whose sum is σ = 4482240. Its totient is φ = 4202040.

The previous prime is 4342133. The next prime is 4342153. The reversal of 4342139 is 9312434.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4342139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4342133) 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, 70004 + ... + 70065.

It is an arithmetic number, because the mean of its divisors is an integer number (1120560).

Almost surely, 2^4342139 is an apocalyptic number.

4342139 is a deficient number, since it is larger than the sum of its proper divisors (140101).

4342139 is a wasteful number, since it uses less digits than its factorization.

4342139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140100.

The product of its digits is 2592, while the sum is 26.

The square root of 4342139 is about 2083.7799787885. The cubic root of 4342139 is about 163.1427983203.

The spelling of 4342139 in words is "four million, three hundred forty-two thousand, one hundred thirty-nine".