138305088273 has 8 divisors (see below), whose sum is σ = 201171037536. Its totient is φ = 83821265600.

The previous prime is 138305088247. The next prime is 138305088371. The reversal of 138305088273 is 372880503831.

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 138305088273 - 2¹⁸ = 138304826129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138305088203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2095531608 + ... + 2095531673.

It is an arithmetic number, because the mean of its divisors is an integer number (25146379692).

Almost surely, 2^138305088273 is an apocalyptic number.

It is an amenable number.

138305088273 is a deficient number, since it is larger than the sum of its proper divisors (62865949263).

138305088273 is a wasteful number, since it uses less digits than its factorization.

138305088273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191063295.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 138305088273 in words is "one hundred thirty-eight billion, three hundred five million, eighty-eight thousand, two hundred seventy-three".