4665139 has 2 divisors, whose sum is σ = 4665140. Its totient is φ = 4665138.

The previous prime is 4665119. The next prime is 4665149. The reversal of 4665139 is 9315664.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4665139 - 2¹³ = 4656947 is a prime.

4665139 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4665109) 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, 2332569 + 2332570.

It is an arithmetic number, because the mean of its divisors is an integer number (2332570).

Almost surely, 2^4665139 is an apocalyptic number.

4665139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4665139 is an equidigital number, since it uses as much as digits as its factorization.

4665139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 4665139 is about 2159.8932844009. The cubic root of 4665139 is about 167.0916942988.

The spelling of 4665139 in words is "four million, six hundred sixty-five thousand, one hundred thirty-nine".