8138273 has 8 divisors (see below), whose sum is σ = 9561216. Its totient is φ = 6829200.

The previous prime is 8138243. The next prime is 8138279. The reversal of 8138273 is 3728318.

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 8138273 - 2⁶ = 8138209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8138279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28313 + ... + 28598.

It is an arithmetic number, because the mean of its divisors is an integer number (1195152).

Almost surely, 2^8138273 is an apocalyptic number.

It is an amenable number.

8138273 is a deficient number, since it is larger than the sum of its proper divisors (1422943).

8138273 is a wasteful number, since it uses less digits than its factorization.

8138273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56935.

The product of its digits is 8064, while the sum is 32.

The square root of 8138273 is about 2852.7658508893. The cubic root of 8138273 is about 201.1456993329.

The spelling of 8138273 in words is "eight million, one hundred thirty-eight thousand, two hundred seventy-three".