132223140 has 144 divisors (see below), whose sum is σ = 463357440. Its totient is φ = 29894400.

The previous prime is 132223139. The next prime is 132223171. The reversal of 132223140 is 41322231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126741 + ... + 127779.

It is an arithmetic number, because the mean of its divisors is an integer number (3217760).

Almost surely, 2^132223140 is an apocalyptic number.

132223140 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 132223140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231678720).

132223140 is an abundant number, since it is smaller than the sum of its proper divisors (331134300).

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

132223140 is a wasteful number, since it uses less digits than its factorization.

132223140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 132223140 is about 11498.8321146106. The cubic root of 132223140 is about 509.4510818395.

Adding to 132223140 its reverse (41322231), we get a palindrome (173545371).

Subtracting from 132223140 its reverse (41322231), we obtain a palindrome (90900909).

The spelling of 132223140 in words is "one hundred thirty-two million, two hundred twenty-three thousand, one hundred forty".