183138243 has 8 divisors (see below), whose sum is σ = 244715856. Its totient is φ = 121826400.

The previous prime is 183138227. The next prime is 183138251. The reversal of 183138243 is 342831381.

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

It is not a de Polignac number, because 183138243 - 2⁴ = 183138227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (183130243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64828 + ... + 67593.

It is an arithmetic number, because the mean of its divisors is an integer number (30589482).

Almost surely, 2^183138243 is an apocalyptic number.

183138243 is a deficient number, since it is larger than the sum of its proper divisors (61577613).

183138243 is a wasteful number, since it uses less digits than its factorization.

183138243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132885.

The product of its digits is 13824, while the sum is 33.

The square root of 183138243 is about 13532.8579021580. The cubic root of 183138243 is about 567.8840632827.

It can be divided in two parts, 183138 and 243, that added together give a palindrome (183381).

The spelling of 183138243 in words is "one hundred eighty-three million, one hundred thirty-eight thousand, two hundred forty-three".