138114233 has 2 divisors, whose sum is σ = 138114234. Its totient is φ = 138114232.

The previous prime is 138114181. The next prime is 138114253. The reversal of 138114233 is 332411831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90117049 + 47997184 = 9493^2 + 6928^2 .

It is a cyclic number.

It is not a de Polignac number, because 138114233 - 2⁶ = 138114169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (138114253) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69057116 + 69057117.

It is an arithmetic number, because the mean of its divisors is an integer number (69057117).

Almost surely, 2^138114233 is an apocalyptic number.

It is an amenable number.

138114233 is a deficient number, since it is larger than the sum of its proper divisors (1).

138114233 is an equidigital number, since it uses as much as digits as its factorization.

138114233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 138114233 is about 11752.2011980735. The cubic root of 138114233 is about 516.9074743351.

The spelling of 138114233 in words is "one hundred thirty-eight million, one hundred fourteen thousand, two hundred thirty-three".