138268775082265 has 8 divisors (see below), whose sum is σ = 166423806626688. Its totient is φ = 110280835713840.

The previous prime is 138268775082253. The next prime is 138268775082271. The reversal of 138268775082265 is 562280577862831.

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

It is not a de Polignac number, because 138268775082265 - 2¹¹ = 138268775080217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138268775082194 and 138268775082203.

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, 41773042177 + ... + 41773045486.

It is an arithmetic number, because the mean of its divisors is an integer number (20802975828336).

Almost surely, 2^{138268775082265} is an apocalyptic number.

It is an amenable number.

138268775082265 is a deficient number, since it is larger than the sum of its proper divisors (28155031544423).

138268775082265 is an equidigital number, since it uses as much as digits as its factorization.

138268775082265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83546087999.

The product of its (nonzero) digits is 541900800, while the sum is 70.

The spelling of 138268775082265 in words is "one hundred thirty-eight trillion, two hundred sixty-eight billion, seven hundred seventy-five million, eighty-two thousand, two hundred sixty-five".