7045139 has 2 divisors, whose sum is σ = 7045140. Its totient is φ = 7045138.

The previous prime is 7045127. The next prime is 7045177. The reversal of 7045139 is 9315407.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7045139 is a prime.

It is a super-3 number, since 3×7045139³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7045109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3522569 + 3522570.

It is an arithmetic number, because the mean of its divisors is an integer number (3522570).

Almost surely, 2^7045139 is an apocalyptic number.

7045139 is a deficient number, since it is larger than the sum of its proper divisors (1).

7045139 is an equidigital number, since it uses as much as digits as its factorization.

7045139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 7045139 is about 2654.2680723695. The cubic root of 7045139 is about 191.7034176115.

The spelling of 7045139 in words is "seven million, forty-five thousand, one hundred thirty-nine".