4507138 has 8 divisors (see below), whose sum is σ = 6836940. Its totient is φ = 2228160.

The previous prime is 4507133. The next prime is 4507147. The reversal of 4507138 is 8317054.

It can be written as a sum of positive squares in 2 ways, for example, as 4507129 + 9 = 2123^2 + 3^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4507133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12483 + ... + 12838.

Almost surely, 2^4507138 is an apocalyptic number.

4507138 is a deficient number, since it is larger than the sum of its proper divisors (2329802).

4507138 is a wasteful number, since it uses less digits than its factorization.

4507138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25412.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 4507138 is about 2123.0021196410. The cubic root of 4507138 is about 165.1836095029.

The spelling of 4507138 in words is "four million, five hundred seven thousand, one hundred thirty-eight".