4520138 has 16 divisors (see below), whose sum is σ = 8157120. Its totient is φ = 1835136.

The previous prime is 4520137. The next prime is 4520149. The reversal of 4520138 is 8310254.

It is not an unprimeable number, because it can be changed into a prime (4520137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8231 + ... + 8762.

It is an arithmetic number, because the mean of its divisors is an integer number (509820).

Almost surely, 2^4520138 is an apocalyptic number.

4520138 is a deficient number, since it is larger than the sum of its proper divisors (3636982).

4520138 is a wasteful number, since it uses less digits than its factorization.

4520138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17021.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4520138 is about 2126.0616171692. The cubic root of 4520138 is about 165.3422708416.

The spelling of 4520138 in words is "four million, five hundred twenty thousand, one hundred thirty-eight".