9319139 has 4 divisors (see below), whose sum is σ = 9809640. Its totient is φ = 8828640.

The previous prime is 9319103. The next prime is 9319181.

It is a happy number.

9319139 is nontrivially palindromic in base 10.

9319139 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 9319139 - 2¹⁶ = 9253603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9319099 and 9319108.

It is not an unprimeable number, because it can be changed into a prime (9319039) 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, 245222 + ... + 245259.

It is an arithmetic number, because the mean of its divisors is an integer number (2452410).

Almost surely, 2^9319139 is an apocalyptic number.

9319139 is a deficient number, since it is larger than the sum of its proper divisors (490501).

9319139 is a wasteful number, since it uses less digits than its factorization.

9319139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490500.

The product of its digits is 6561, while the sum is 35.

The square root of 9319139 is about 3052.7264862742. The cubic root of 9319139 is about 210.4385318236.

The spelling of 9319139 in words is "nine million, three hundred nineteen thousand, one hundred thirty-nine".