9270138 has 32 divisors (see below), whose sum is σ = 19656000. Its totient is φ = 2906496.

The previous prime is 9270113. The next prime is 9270143. The reversal of 9270138 is 8310729.

It is a happy number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26388 + ... + 26736.

It is an arithmetic number, because the mean of its divisors is an integer number (614250).

Almost surely, 2^9270138 is an apocalyptic number.

9270138 is an abundant number, since it is smaller than the sum of its proper divisors (10385862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9270138 is a wasteful number, since it uses less digits than its factorization.

9270138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 9270138 is about 3044.6901320167. The cubic root of 9270138 is about 210.0690475896.

The spelling of 9270138 in words is "nine million, two hundred seventy thousand, one hundred thirty-eight".