9138275 has 6 divisors (see below), whose sum is σ = 11331492. Its totient is φ = 7310600.

The previous prime is 9138271. The next prime is 9138281. The reversal of 9138275 is 5728319.

It is not a de Polignac number, because 9138275 - 2² = 9138271 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9138271) 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 5 ways as a sum of consecutive naturals, for example, 182741 + ... + 182790.

It is an arithmetic number, because the mean of its divisors is an integer number (1888582).

Almost surely, 2^9138275 is an apocalyptic number.

9138275 is a deficient number, since it is larger than the sum of its proper divisors (2193217).

9138275 is a wasteful number, since it uses less digits than its factorization.

9138275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365541 (or 365536 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 9138275 is about 3022.9579884610. The cubic root of 9138275 is about 209.0682453811.

The spelling of 9138275 in words is "nine million, one hundred thirty-eight thousand, two hundred seventy-five".