9138319 has 4 divisors (see below), whose sum is σ = 9199800. Its totient is φ = 9076840.

The previous prime is 9138293. The next prime is 9138323.

9138319 is nontrivially palindromic in base 10.

9138319 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 9138319 - 2¹⁹ = 8614031 is a prime.

It is a super-2 number, since 2×9138319² = 167017748291522, which contains 22 as substring.

It is a Duffinian number.

9138319 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138329) 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, 30517 + ... + 30814.

It is an arithmetic number, because the mean of its divisors is an integer number (2299950).

Almost surely, 2^9138319 is an apocalyptic number.

9138319 is a deficient number, since it is larger than the sum of its proper divisors (61481).

9138319 is a wasteful number, since it uses less digits than its factorization.

9138319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61480.

The product of its digits is 5832, while the sum is 34.

The square root of 9138319 is about 3022.9652660922. The cubic root of 9138319 is about 209.0685809290.

The spelling of 9138319 in words is "nine million, one hundred thirty-eight thousand, three hundred nineteen".