138500573311 has 8 divisors (see below), whose sum is σ = 144685292544. Its totient is φ = 132329433720.

The previous prime is 138500573303. The next prime is 138500573327. The reversal of 138500573311 is 113375005831.

It is a happy number.

138500573311 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 138500573311 - 2³ = 138500573303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138500573711) by changing a digit.

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, 3374055 + ... + 3414856.

It is an arithmetic number, because the mean of its divisors is an integer number (18085661568).

Almost surely, 2^138500573311 is an apocalyptic number.

138500573311 is a deficient number, since it is larger than the sum of its proper divisors (6184719233).

138500573311 is an equidigital number, since it uses as much as digits as its factorization.

138500573311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789821.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 138500573311 in words is "one hundred thirty-eight billion, five hundred million, five hundred seventy-three thousand, three hundred eleven".