7138371865406 has 16 divisors (see below), whose sum is σ = 10843861515120. Its totient is φ = 3523869835200.

The previous prime is 7138371865343. The next prime is 7138371865433. The reversal of 7138371865406 is 6045681738317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29497820 + ... + 29738831.

It is an arithmetic number, because the mean of its divisors is an integer number (677741344695).

Almost surely, 2^{7138371865406} is an apocalyptic number.

7138371865406 is a deficient number, since it is larger than the sum of its proper divisors (3705489649714).

7138371865406 is a wasteful number, since it uses less digits than its factorization.

7138371865406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59237419.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 7138371865406 in words is "seven trillion, one hundred thirty-eight billion, three hundred seventy-one million, eight hundred sixty-five thousand, four hundred six".