138282068698 has 4 divisors (see below), whose sum is σ = 207423103050. Its totient is φ = 69141034348.

The previous prime is 138282068681. The next prime is 138282068719. The reversal of 138282068698 is 896860282831.

138282068698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135686879449 + 2595189249 = 368357^2 + 50943^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34570517173 + ... + 34570517176.

Almost surely, 2^138282068698 is an apocalyptic number.

138282068698 is a deficient number, since it is larger than the sum of its proper divisors (69141034352).

138282068698 is an equidigital number, since it uses as much as digits as its factorization.

138282068698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69141034351.

The product of its (nonzero) digits is 15925248, while the sum is 61.

The spelling of 138282068698 in words is "one hundred thirty-eight billion, two hundred eighty-two million, sixty-eight thousand, six hundred ninety-eight".