138201312695 has 8 divisors (see below), whose sum is σ = 167940836160. Its totient is φ = 109161542880.

The previous prime is 138201312679. The next prime is 138201312701. The reversal of 138201312695 is 596213102831.

138201312695 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 138201312695 - 2⁴ = 138201312679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174937976 + ... + 174938765.

It is an arithmetic number, because the mean of its divisors is an integer number (20992604520).

Almost surely, 2^138201312695 is an apocalyptic number.

138201312695 is a deficient number, since it is larger than the sum of its proper divisors (29739523465).

138201312695 is an equidigital number, since it uses as much as digits as its factorization.

138201312695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349876825.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 138201312695 in words is "one hundred thirty-eight billion, two hundred one million, three hundred twelve thousand, six hundred ninety-five".