4565138 has 16 divisors (see below), whose sum is σ = 7085760. Its totient is φ = 2204496.

The previous prime is 4565137. The next prime is 4565159. The reversal of 4565138 is 8315654.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4565131) 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, 9131 + ... + 9617.

It is an arithmetic number, because the mean of its divisors is an integer number (442860).

Almost surely, 2^4565138 is an apocalyptic number.

4565138 is a deficient number, since it is larger than the sum of its proper divisors (2520622).

4565138 is a wasteful number, since it uses less digits than its factorization.

4565138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its digits is 14400, while the sum is 32.

The square root of 4565138 is about 2136.6183561881. The cubic root of 4565138 is about 165.8891455168.

The spelling of 4565138 in words is "four million, five hundred sixty-five thousand, one hundred thirty-eight".