9214138 has 8 divisors (see below), whose sum is σ = 13844160. Its totient is φ = 4599420.

The previous prime is 9214123. The next prime is 9214151. The reversal of 9214138 is 8314129.

It is a happy number.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2178 + ... + 4813.

It is an arithmetic number, because the mean of its divisors is an integer number (1730520).

Almost surely, 2^9214138 is an apocalyptic number.

9214138 is a deficient number, since it is larger than the sum of its proper divisors (4630022).

9214138 is a wasteful number, since it uses less digits than its factorization.

9214138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7652.

The product of its digits is 1728, while the sum is 28.

The square root of 9214138 is about 3035.4798632177. The cubic root of 9214138 is about 209.6451907348.

Subtracting from 9214138 its reverse (8314129), we obtain a palindrome (900009).

The spelling of 9214138 in words is "nine million, two hundred fourteen thousand, one hundred thirty-eight".