9114138 has 48 divisors (see below), whose sum is σ = 21745152. Its totient is φ = 2736000.

The previous prime is 9114137. The next prime is 9114163. The reversal of 9114138 is 8314119.

It is a super-2 number, since 2×9114138² = 166135022966088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9114137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37698 + ... + 37938.

It is an arithmetic number, because the mean of its divisors is an integer number (453024).

Almost surely, 2^9114138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9114138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10872576).

9114138 is an abundant number, since it is smaller than the sum of its proper divisors (12631014).

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

9114138 is a wasteful number, since it uses less digits than its factorization.

9114138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 448 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 9114138 is about 3018.9630670149. The cubic root of 9114138 is about 208.8840118616.

The spelling of 9114138 in words is "nine million, one hundred fourteen thousand, one hundred thirty-eight".