1138170233 has 2 divisors, whose sum is σ = 1138170234. Its totient is φ = 1138170232.

The previous prime is 1138170199. The next prime is 1138170251. The reversal of 1138170233 is 3320718311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130842384 + 7327849 = 33628^2 + 2707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1138170233 - 2⁶ = 1138170169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1138170196 and 1138170205.

It is not a weakly prime, because it can be changed into another prime (1138170263) 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 as a sum of consecutive naturals, namely, 569085116 + 569085117.

It is an arithmetic number, because the mean of its divisors is an integer number (569085117).

Almost surely, 2^1138170233 is an apocalyptic number.

It is an amenable number.

1138170233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138170233 is an equidigital number, since it uses as much as digits as its factorization.

1138170233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1138170233 is about 33736.7786399354. The cubic root of 1138170233 is about 1044.0847225642.

Adding to 1138170233 its reverse (3320718311), we get a palindrome (4458888544).

The spelling of 1138170233 in words is "one billion, one hundred thirty-eight million, one hundred seventy thousand, two hundred thirty-three".