138282068459 has 2 divisors, whose sum is σ = 138282068460. Its totient is φ = 138282068458.

The previous prime is 138282068413. The next prime is 138282068467. The reversal of 138282068459 is 954860282831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138282068459 - 2²⁰ = 138281019883 is a prime.

It is not a weakly prime, because it can be changed into another prime (138282068759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69141034229 + 69141034230.

It is an arithmetic number, because the mean of its divisors is an integer number (69141034230).

Almost surely, 2^138282068459 is an apocalyptic number.

138282068459 is a deficient number, since it is larger than the sum of its proper divisors (1).

138282068459 is an equidigital number, since it uses as much as digits as its factorization.

138282068459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 138282068459 in words is "one hundred thirty-eight billion, two hundred eighty-two million, sixty-eight thousand, four hundred fifty-nine".