138313426718 has 8 divisors (see below), whose sum is σ = 207502320360. Its totient is φ = 69145986600.

The previous prime is 138313426711. The next prime is 138313426723. The reversal of 138313426718 is 817624313831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138313426711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5347253 + ... + 5373056.

It is an arithmetic number, because the mean of its divisors is an integer number (25937790045).

Almost surely, 2^138313426718 is an apocalyptic number.

138313426718 is a deficient number, since it is larger than the sum of its proper divisors (69188893642).

138313426718 is a wasteful number, since it uses less digits than its factorization.

138313426718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726762.

The product of its digits is 580608, while the sum is 47.

The spelling of 138313426718 in words is "one hundred thirty-eight billion, three hundred thirteen million, four hundred twenty-six thousand, seven hundred eighteen".