9005138 has 16 divisors (see below), whose sum is σ = 14797080. Its totient is φ = 4091136.

The previous prime is 9005119. The next prime is 9005149. The reversal of 9005138 is 8315009.

It can be written as a sum of positive squares in 4 ways, for example, as 8958049 + 47089 = 2993^2 + 217^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3581 + ... + 5552.

Almost surely, 2^9005138 is an apocalyptic number.

9005138 is a deficient number, since it is larger than the sum of its proper divisors (5791942).

9005138 is a wasteful number, since it uses less digits than its factorization.

9005138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9181.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 9005138 is about 3000.8562111504. The cubic root of 9005138 is about 208.0479579998.

The spelling of 9005138 in words is "nine million, five thousand, one hundred thirty-eight".