7138375321065 has 32 divisors (see below), whose sum is σ = 11491780874112. Its totient is φ = 3783739200000.

The previous prime is 7138375320991. The next prime is 7138375321123. The reversal of 7138375321065 is 5601235738317.

It is not a de Polignac number, because 7138375321065 - 2³⁹ = 6588619507177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7138375320999 and 7138375321017.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320716 + ... + 3792045.

It is an arithmetic number, because the mean of its divisors is an integer number (359118152316).

Almost surely, 2^{7138375321065} is an apocalyptic number.

It is an amenable number.

7138375321065 is a deficient number, since it is larger than the sum of its proper divisors (4353405553047).

7138375321065 is a wasteful number, since it uses less digits than its factorization.

7138375321065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113481.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 7138375321065 in words is "seven trillion, one hundred thirty-eight billion, three hundred seventy-five million, three hundred twenty-one thousand, sixty-five".