132345220 has 72 divisors (see below), whose sum is σ = 332224704. Its totient is φ = 43378368.

The previous prime is 132345217. The next prime is 132345247. The reversal of 132345220 is 22543231.

It is a junction number, because it is equal to n+sod(n) for n = 132345191 and 132345200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73167 + ... + 74953.

It is an arithmetic number, because the mean of its divisors is an integer number (4614232).

Almost surely, 2^132345220 is an apocalyptic number.

132345220 is a gapful number since it is divisible by the number (10) 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 132345220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166112352).

132345220 is an abundant number, since it is smaller than the sum of its proper divisors (199879484).

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

132345220 is a wasteful number, since it uses less digits than its factorization.

132345220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 132345220 is about 11504.1392550682. The cubic root of 132345220 is about 509.6078235842.

Adding to 132345220 its reverse (22543231), we get a palindrome (154888451).

The spelling of 132345220 in words is "one hundred thirty-two million, three hundred forty-five thousand, two hundred twenty".