9089138 has 12 divisors (see below), whose sum is σ = 14090670. Its totient is φ = 4397040.

The previous prime is 9089137. The next prime is 9089141. The reversal of 9089138 is 8319809.

It can be written as a sum of positive squares in only one way, i.e., 9042049 + 47089 = 3007^2 + 217^2 .

It is a super-2 number, since 2×9089138² = 165224859166088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9089131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 443 + ... + 4286.

Almost surely, 2^9089138 is an apocalyptic number.

9089138 is a deficient number, since it is larger than the sum of its proper divisors (5001532).

9089138 is a wasteful number, since it uses less digits than its factorization.

9089138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793 (or 4762 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 9089138 is about 3014.8197292707. The cubic root of 9089138 is about 208.6928479683.

The spelling of 9089138 in words is "nine million, eighty-nine thousand, one hundred thirty-eight".