9143136 has 72 divisors (see below), whose sum is σ = 26535600. Its totient is φ = 2985216.

The previous prime is 9143119. The next prime is 9143137. The reversal of 9143136 is 6313419.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9143137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14965 + ... + 15563.

It is an arithmetic number, because the mean of its divisors is an integer number (368550).

Almost surely, 2^9143136 is an apocalyptic number.

9143136 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 9143136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13267800).

9143136 is an abundant number, since it is smaller than the sum of its proper divisors (17392464).

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

9143136 is a wasteful number, since it uses less digits than its factorization.

9143136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 657 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 9143136 is about 3023.7618953879. The cubic root of 9143136 is about 209.1053092906.

The spelling of 9143136 in words is "nine million, one hundred forty-three thousand, one hundred thirty-six".