138014618771 has 8 divisors (see below), whose sum is σ = 141229608960. Its totient is φ = 134799871752.

The previous prime is 138014618743. The next prime is 138014618809. The reversal of 138014618771 is 177816410831.

It is a happy number.

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 138014618771 - 2¹⁰ = 138014617747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138014618701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626290 + ... + 1709048.

It is an arithmetic number, because the mean of its divisors is an integer number (17653701120).

Almost surely, 2^138014618771 is an apocalyptic number.

138014618771 is a deficient number, since it is larger than the sum of its proper divisors (3214990189).

138014618771 is an equidigital number, since it uses as much as digits as its factorization.

138014618771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121585.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 138014618771 in words is "one hundred thirty-eight billion, fourteen million, six hundred eighteen thousand, seven hundred seventy-one".