9144138 has 8 divisors (see below), whose sum is σ = 18288288. Its totient is φ = 3048044.

The previous prime is 9144131. The next prime is 9144167. The reversal of 9144138 is 8314419.

It is a happy number.

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

9144138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (9144131) 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 3 ways as a sum of consecutive naturals, for example, 762006 + ... + 762017.

It is an arithmetic number, because the mean of its divisors is an integer number (2286036).

Almost surely, 2^9144138 is an apocalyptic number.

9144138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9144138 is a wasteful number, since it uses less digits than its factorization.

9144138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524028.

The product of its digits is 3456, while the sum is 30.

The square root of 9144138 is about 3023.9275784979. The cubic root of 9144138 is about 209.1129476570.

The spelling of 9144138 in words is "nine million, one hundred forty-four thousand, one hundred thirty-eight".