9315139 has 4 divisors (see below), whose sum is σ = 9321760. Its totient is φ = 9308520.

The previous prime is 9315109. The next prime is 9315143.

9315139 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9315139 - 2¹⁷ = 9184067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9315139.

It is not an unprimeable number, because it can be changed into a prime (9315109) 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, 267 + ... + 4324.

It is an arithmetic number, because the mean of its divisors is an integer number (2330440).

Almost surely, 2^9315139 is an apocalyptic number.

9315139 is a deficient number, since it is larger than the sum of its proper divisors (6621).

9315139 is a wasteful number, since it uses less digits than its factorization.

9315139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620.

The product of its digits is 3645, while the sum is 31.

The square root of 9315139 is about 3052.0712639124. The cubic root of 9315139 is about 210.4084190779.

The spelling of 9315139 in words is "nine million, three hundred fifteen thousand, one hundred thirty-nine".