4089139 has 2 divisors, whose sum is σ = 4089140. Its totient is φ = 4089138.

The previous prime is 4089133. The next prime is 4089143. The reversal of 4089139 is 9319804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4089139 - 2⁷ = 4089011 is a prime.

It is a super-2 number, since 2×4089139² = 33442115522642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4089133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2044569 + 2044570.

It is an arithmetic number, because the mean of its divisors is an integer number (2044570).

Almost surely, 2^4089139 is an apocalyptic number.

4089139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4089139 is an equidigital number, since it uses as much as digits as its factorization.

4089139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 4089139 is about 2022.1619618616. The cubic root of 4089139 is about 159.9106141353.

The spelling of 4089139 in words is "four million, eighty-nine thousand, one hundred thirty-nine".