4915139 has 2 divisors, whose sum is σ = 4915140. Its totient is φ = 4915138.

The previous prime is 4915133. The next prime is 4915147. The reversal of 4915139 is 9315194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4915139 - 2⁸ = 4914883 is a prime.

It is not a weakly prime, because it can be changed into another prime (4915133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2457569 + 2457570.

It is an arithmetic number, because the mean of its divisors is an integer number (2457570).

Almost surely, 2^4915139 is an apocalyptic number.

4915139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4915139 is an equidigital number, since it uses as much as digits as its factorization.

4915139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 4915139 is about 2217.0112764711. The cubic root of 4915139 is about 170.0246677007.

The spelling of 4915139 in words is "four million, nine hundred fifteen thousand, one hundred thirty-nine".