7138371866727 has 16 divisors (see below), whose sum is σ = 10090392553472. Its totient is φ = 4480930899360.

The previous prime is 7138371866719. The next prime is 7138371866819. The reversal of 7138371866727 is 7276681738317.

It is not a de Polignac number, because 7138371866727 - 2³ = 7138371866719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138371816727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037249083 + ... + 1037255964.

It is an arithmetic number, because the mean of its divisors is an integer number (630649534592).

Almost surely, 2^{7138371866727} is an apocalyptic number.

7138371866727 is a deficient number, since it is larger than the sum of its proper divisors (2952020686745).

7138371866727 is a wasteful number, since it uses less digits than its factorization.

7138371866727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074505118.

The product of its digits is 99574272, while the sum is 66.

The spelling of 7138371866727 in words is "seven trillion, one hundred thirty-eight billion, three hundred seventy-one million, eight hundred sixty-six thousand, seven hundred twenty-seven".