8138093 has 4 divisors (see below), whose sum is σ = 8185308. Its totient is φ = 8090880.

The previous prime is 8138083. The next prime is 8138107. The reversal of 8138093 is 3908318.

8138093 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3908318 = 2 ⋅1954159.

It can be written as a sum of positive squares in 2 ways, for example, as 4401604 + 3736489 = 2098^2 + 1933^2 .

It is a cyclic number.

It is not a de Polignac number, because 8138093 - 2¹⁰ = 8137069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8138063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23348 + ... + 23693.

It is an arithmetic number, because the mean of its divisors is an integer number (2046327).

Almost surely, 2^8138093 is an apocalyptic number.

It is an amenable number.

8138093 is a deficient number, since it is larger than the sum of its proper divisors (47215).

8138093 is a wasteful number, since it uses less digits than its factorization.

8138093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47214.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 8138093 is about 2852.7343023843. The cubic root of 8138093 is about 201.1442163609.

The spelling of 8138093 in words is "eight million, one hundred thirty-eight thousand, ninety-three".