4532138 has 16 divisors (see below), whose sum is σ = 7558656. Its totient is φ = 2023920.

The previous prime is 4532137. The next prime is 4532153. The reversal of 4532138 is 8312354.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (4532137) 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, 2006 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (472416).

Almost surely, 2^4532138 is an apocalyptic number.

4532138 is a deficient number, since it is larger than the sum of its proper divisors (3026518).

4532138 is a wasteful number, since it uses less digits than its factorization.

4532138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669.

The product of its digits is 2880, while the sum is 26.

The square root of 4532138 is about 2128.8818661448. The cubic root of 4532138 is about 165.4884576793.

The spelling of 4532138 in words is "four million, five hundred thirty-two thousand, one hundred thirty-eight".