7009139 has 2 divisors, whose sum is σ = 7009140. Its totient is φ = 7009138.

The previous prime is 7009133. The next prime is 7009147. The reversal of 7009139 is 9319007.

7009139 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 an emirp because it is prime and its reverse (9319007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7009139 - 2¹⁶ = 6943603 is a prime.

It is a Chen prime.

It is equal to p₄₇₇₂₁₈ and since 7009139 and 477218 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7009133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3504569 + 3504570.

It is an arithmetic number, because the mean of its divisors is an integer number (3504570).

Almost surely, 2^7009139 is an apocalyptic number.

7009139 is a deficient number, since it is larger than the sum of its proper divisors (1).

7009139 is an equidigital number, since it uses as much as digits as its factorization.

7009139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 7009139 is about 2647.4778563758. The cubic root of 7009139 is about 191.3763310176.

The spelling of 7009139 in words is "seven million, nine thousand, one hundred thirty-nine".