4555139 has 2 divisors, whose sum is σ = 4555140. Its totient is φ = 4555138.

The previous prime is 4555121. The next prime is 4555151. The reversal of 4555139 is 9315554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4555139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4555339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2277569 + 2277570.

It is an arithmetic number, because the mean of its divisors is an integer number (2277570).

Almost surely, 2^4555139 is an apocalyptic number.

4555139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4555139 is an equidigital number, since it uses as much as digits as its factorization.

4555139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 32.

The square root of 4555139 is about 2134.2771610079. The cubic root of 4555139 is about 165.7679415813.

The spelling of 4555139 in words is "four million, five hundred fifty-five thousand, one hundred thirty-nine".