138114719 has 2 divisors, whose sum is σ = 138114720. Its totient is φ = 138114718.

The previous prime is 138114677. The next prime is 138114721. The reversal of 138114719 is 917411831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138114719 - 2⁸ = 138114463 is a prime.

It is a super-2 number, since 2×138114719² = 38151351208897922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 138114721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138114799) 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, 69057359 + 69057360.

It is an arithmetic number, because the mean of its divisors is an integer number (69057360).

Almost surely, 2^138114719 is an apocalyptic number.

138114719 is a deficient number, since it is larger than the sum of its proper divisors (1).

138114719 is an equidigital number, since it uses as much as digits as its factorization.

138114719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 35.

The square root of 138114719 is about 11752.2218750328. The cubic root of 138114719 is about 516.9080806370.

The spelling of 138114719 in words is "one hundred thirty-eight million, one hundred fourteen thousand, seven hundred nineteen".