4344139 has 2 divisors, whose sum is σ = 4344140. Its totient is φ = 4344138.

The previous prime is 4344121. The next prime is 4344143. The reversal of 4344139 is 9314434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4344139 - 2⁵ = 4344107 is a prime.

4344139 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4344149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172069 + 2172070.

It is an arithmetic number, because the mean of its divisors is an integer number (2172070).

Almost surely, 2^4344139 is an apocalyptic number.

4344139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4344139 is an equidigital number, since it uses as much as digits as its factorization.

4344139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 4344139 is about 2084.2598206558. The cubic root of 4344139 is about 163.1678424681.

The spelling of 4344139 in words is "four million, three hundred forty-four thousand, one hundred thirty-nine".