138346711841 has 8 divisors (see below), whose sum is σ = 157752811944. Its totient is φ = 120192618240.

The previous prime is 138346711823. The next prime is 138346711849. The reversal of 138346711841 is 148117643831.

It can be written as a sum of positive squares in 4 ways, for example, as 55462605025 + 82884106816 = 235505^2 + 287896^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 138346711841 - 2¹⁴ = 138346695457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138346711849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313001390 + ... + 313001831.

It is an arithmetic number, because the mean of its divisors is an integer number (19719101493).

Almost surely, 2^138346711841 is an apocalyptic number.

It is an amenable number.

138346711841 is a deficient number, since it is larger than the sum of its proper divisors (19406100103).

138346711841 is a wasteful number, since it uses less digits than its factorization.

138346711841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626003251.

The product of its digits is 387072, while the sum is 47.

The spelling of 138346711841 in words is "one hundred thirty-eight billion, three hundred forty-six million, seven hundred eleven thousand, eight hundred forty-one".