138108367 has 2 divisors, whose sum is σ = 138108368. Its totient is φ = 138108366.

The previous prime is 138108361. The next prime is 138108371. The reversal of 138108367 is 763801831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138108367 - 2¹⁵ = 138075599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138108361) 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, 69054183 + 69054184.

It is an arithmetic number, because the mean of its divisors is an integer number (69054184).

Almost surely, 2^138108367 is an apocalyptic number.

138108367 is a deficient number, since it is larger than the sum of its proper divisors (1).

138108367 is an equidigital number, since it uses as much as digits as its factorization.

138108367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 138108367 is about 11751.9516251557. The cubic root of 138108367 is about 516.9001561848.

The spelling of 138108367 in words is "one hundred thirty-eight million, one hundred eight thousand, three hundred sixty-seven".