9013158 has 72 divisors (see below), whose sum is σ = 24808680. Its totient is φ = 2338560.

The previous prime is 9013129. The next prime is 9013223. The reversal of 9013158 is 8513109.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9238 + ... + 10166.

It is an arithmetic number, because the mean of its divisors is an integer number (344565).

Almost surely, 2^9013158 is an apocalyptic number.

9013158 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9013158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12404340).

9013158 is an abundant number, since it is smaller than the sum of its proper divisors (15795522).

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

9013158 is a wasteful number, since it uses less digits than its factorization.

9013158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 9013158 is about 3002.1921990439. The cubic root of 9013158 is about 208.1097023629.

The spelling of 9013158 in words is "nine million, thirteen thousand, one hundred fifty-eight".