229140132 has 48 divisors (see below), whose sum is σ = 583107840. Its totient is φ = 69608448.

The previous prime is 229140031. The next prime is 229140137. The reversal of 229140132 is 231041922.

It is not an unprimeable number, because it can be changed into a prime (229140137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3028 + ... + 21620.

It is an arithmetic number, because the mean of its divisors is an integer number (12148080).

Almost surely, 2^229140132 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 229140132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291553920).

229140132 is an abundant number, since it is smaller than the sum of its proper divisors (353967708).

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

229140132 is a wasteful number, since it uses less digits than its factorization.

229140132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18692 (or 18690 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 229140132 is about 15137.3753339210. The cubic root of 229140132 is about 611.9280854453.

The spelling of 229140132 in words is "two hundred twenty-nine million, one hundred forty thousand, one hundred thirty-two".