9139152 has 80 divisors (see below), whose sum is σ = 27141120. Its totient is φ = 2620800.

The previous prime is 9139139. The next prime is 9139153. The reversal of 9139152 is 2519319.

9139152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9139153) 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, 9577 + ... + 10487.

It is an arithmetic number, because the mean of its divisors is an integer number (339264).

Almost surely, 2^9139152 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 9139152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13570560).

9139152 is an abundant number, since it is smaller than the sum of its proper divisors (18001968).

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

9139152 is a wasteful number, since it uses less digits than its factorization.

9139152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 946 counting only the distinct ones).

The product of its digits is 2430, while the sum is 30.

The square root of 9139152 is about 3023.1030415783. The cubic root of 9139152 is about 209.0749332584.

The spelling of 9139152 in words is "nine million, one hundred thirty-nine thousand, one hundred fifty-two".