7138123814318 has 32 divisors (see below), whose sum is σ = 12249205746624. Its totient is φ = 3056090994432.

The previous prime is 7138123814257. The next prime is 7138123814323. The reversal of 7138123814318 is 8134183218317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205733780 + ... + 205768472.

It is an arithmetic number, because the mean of its divisors is an integer number (382787679582).

Almost surely, 2^{7138123814318} is an apocalyptic number.

7138123814318 is a deficient number, since it is larger than the sum of its proper divisors (5111081932306).

7138123814318 is a wasteful number, since it uses less digits than its factorization.

7138123814318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49196.

The product of its digits is 774144, while the sum is 50.

The spelling of 7138123814318 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-three million, eight hundred fourteen thousand, three hundred eighteen".