138305466289 has 8 divisors (see below), whose sum is σ = 144323367552. Its totient is φ = 132287950080.

The previous prime is 138305466283. The next prime is 138305466361. The reversal of 138305466289 is 982664503831.

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 138305466289 - 2³ = 138305466281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138305466281) 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, 825724 + ... + 978994.

It is an arithmetic number, because the mean of its divisors is an integer number (18040420944).

Almost surely, 2^138305466289 is an apocalyptic number.

It is an amenable number.

138305466289 is a deficient number, since it is larger than the sum of its proper divisors (6017901263).

138305466289 is a wasteful number, since it uses less digits than its factorization.

138305466289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192527.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 138305466289 in words is "one hundred thirty-eight billion, three hundred five million, four hundred sixty-six thousand, two hundred eighty-nine".