9131136 has 128 divisors (see below), whose sum is σ = 28723200. Its totient is φ = 2515968.

The previous prime is 9131131. The next prime is 9131189. The reversal of 9131136 is 6311319.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (9131131) 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, 115545 + ... + 115623.

It is an arithmetic number, because the mean of its divisors is an integer number (224400).

Almost surely, 2^9131136 is an apocalyptic number.

9131136 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9131136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14361600).

9131136 is an abundant number, since it is smaller than the sum of its proper divisors (19592064).

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

9131136 is a wasteful number, since it uses less digits than its factorization.

9131136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 134 counting only the distinct ones).

The product of its digits is 486, while the sum is 24.

The square root of 9131136 is about 3021.7769606640. The cubic root of 9131136 is about 209.0137884572.

The spelling of 9131136 in words is "nine million, one hundred thirty-one thousand, one hundred thirty-six".