138182911 has 2 divisors, whose sum is σ = 138182912. Its totient is φ = 138182910.

The previous prime is 138182899. The next prime is 138182917. The reversal of 138182911 is 119281831.

It is a happy number.

138182911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138182911 - 2²⁵ = 104628479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138182917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69091455 + 69091456.

It is an arithmetic number, because the mean of its divisors is an integer number (69091456).

Almost surely, 2^138182911 is an apocalyptic number.

138182911 is a deficient number, since it is larger than the sum of its proper divisors (1).

138182911 is an equidigital number, since it uses as much as digits as its factorization.

138182911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 34.

The square root of 138182911 is about 11755.1227556330. The cubic root of 138182911 is about 516.9931384219.

The spelling of 138182911 in words is "one hundred thirty-eight million, one hundred eighty-two thousand, nine hundred eleven".