4775139 has 8 divisors (see below), whose sum is σ = 7074320. Its totient is φ = 3183408.

The previous prime is 4775131. The next prime is 4775143. The reversal of 4775139 is 9315774.

It is a happy number.

It is not a de Polignac number, because 4775139 - 2³ = 4775131 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4775131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88402 + ... + 88455.

It is an arithmetic number, because the mean of its divisors is an integer number (884290).

Almost surely, 2^4775139 is an apocalyptic number.

4775139 is a deficient number, since it is larger than the sum of its proper divisors (2299181).

4775139 is a wasteful number, since it uses less digits than its factorization.

4775139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176866 (or 176860 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 4775139 is about 2185.2091433087. The cubic root of 4775139 is about 168.3947985409.

The spelling of 4775139 in words is "four million, seven hundred seventy-five thousand, one hundred thirty-nine".