9139713 has 8 divisors (see below), whose sum is σ = 13294176. Its totient is φ = 5539200.

The previous prime is 9139709. The next prime is 9139721. The reversal of 9139713 is 3179319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9139713 - 2² = 9139709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 276961 = 9139713 / (9 + 1 + 3 + 9 + 7 + 1 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9139723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138448 + ... + 138513.

It is an arithmetic number, because the mean of its divisors is an integer number (1661772).

Almost surely, 2^9139713 is an apocalyptic number.

It is an amenable number.

9139713 is a deficient number, since it is larger than the sum of its proper divisors (4154463).

9139713 is a wasteful number, since it uses less digits than its factorization.

9139713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276975.

The product of its digits is 5103, while the sum is 33.

The square root of 9139713 is about 3023.1958256124. The cubic root of 9139713 is about 209.0792111402.

The spelling of 9139713 in words is "nine million, one hundred thirty-nine thousand, seven hundred thirteen".