9138635 has 8 divisors (see below), whose sum is σ = 11963376. Its totient is φ = 6646240.

The previous prime is 9138607. The next prime is 9138637. The reversal of 9138635 is 5368319.

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

It is not a de Polignac number, because 9138635 - 2¹² = 9134539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9138595 and 9138604.

It is not an unprimeable number, because it can be changed into a prime (9138637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83024 + ... + 83133.

It is an arithmetic number, because the mean of its divisors is an integer number (1495422).

Almost surely, 2^9138635 is an apocalyptic number.

9138635 is a deficient number, since it is larger than the sum of its proper divisors (2824741).

9138635 is a wasteful number, since it uses less digits than its factorization.

9138635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166173.

The product of its digits is 19440, while the sum is 35.

The square root of 9138635 is about 3023.0175322019. The cubic root of 9138635 is about 209.0709907417.

The spelling of 9138635 in words is "nine million, one hundred thirty-eight thousand, six hundred thirty-five".