9136321 has 8 divisors (see below), whose sum is σ = 9762080. Its totient is φ = 8525088.

The previous prime is 9136319. The next prime is 9136349. The reversal of 9136321 is 1236319.

9136321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9136321 - 2¹ = 9136319 is a prime.

It is a super-2 number, since 2×9136321² = 166944722830082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9136921) 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, 2316 + ... + 4861.

It is an arithmetic number, because the mean of its divisors is an integer number (1220260).

Almost surely, 2^9136321 is an apocalyptic number.

It is an amenable number.

9136321 is a deficient number, since it is larger than the sum of its proper divisors (625759).

9136321 is a wasteful number, since it uses less digits than its factorization.

9136321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263.

The product of its digits is 972, while the sum is 25.

The square root of 9136321 is about 3022.6347778056. The cubic root of 9136321 is about 209.0533429160.

The spelling of 9136321 in words is "nine million, one hundred thirty-six thousand, three hundred twenty-one".