7044139 has 2 divisors, whose sum is σ = 7044140. Its totient is φ = 7044138.

The previous prime is 7044133. The next prime is 7044157. The reversal of 7044139 is 9314407.

7044139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7044139 is a prime.

It is not a weakly prime, because it can be changed into another prime (7044133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3522069 + 3522070.

It is an arithmetic number, because the mean of its divisors is an integer number (3522070).

Almost surely, 2^7044139 is an apocalyptic number.

7044139 is a deficient number, since it is larger than the sum of its proper divisors (1).

7044139 is an equidigital number, since it uses as much as digits as its factorization.

7044139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 7044139 is about 2654.0796898360. The cubic root of 7044139 is about 191.6943469369.

The spelling of 7044139 in words is "seven million, forty-four thousand, one hundred thirty-nine".