9135280 has 80 divisors (see below), whose sum is σ = 26498304. Its totient is φ = 2845440.

The previous prime is 9135277. The next prime is 9135281. The reversal of 9135280 is 825319.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9135281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5419 + ... + 6901.

Almost surely, 2^9135280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9135280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13249152).

9135280 is an abundant number, since it is smaller than the sum of its proper divisors (17363024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9135280 is a wasteful number, since it uses less digits than its factorization.

9135280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 9135280 is about 3022.4625721421. The cubic root of 9135280 is about 209.0454027106.

The spelling of 9135280 in words is "nine million, one hundred thirty-five thousand, two hundred eighty".