183438117 has 6 divisors (see below), whose sum is σ = 264966182. Its totient is φ = 122292072.

The previous prime is 183438107. The next prime is 183438169. The reversal of 183438117 is 711834381.

It can be written as a sum of positive squares in only one way, i.e., 172108161 + 11329956 = 13119^2 + 3366^2 .

It is not a de Polignac number, because 183438117 - 2⁸ = 183437861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183438107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10190998 + ... + 10191015.

Almost surely, 2^183438117 is an apocalyptic number.

It is an amenable number.

183438117 is a deficient number, since it is larger than the sum of its proper divisors (81528065).

183438117 is a wasteful number, since it uses less digits than its factorization.

183438117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20382019 (or 20382016 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 183438117 is about 13543.9328483273. The cubic root of 183438117 is about 568.1938489395.

The spelling of 183438117 in words is "one hundred eighty-three million, four hundred thirty-eight thousand, one hundred seventeen".