132228540 has 72 divisors (see below), whose sum is σ = 403734240. Its totient is φ = 35028864.

The previous prime is 132228527. The next prime is 132228559. The reversal of 132228540 is 45822231.

It is a congruent number.

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, 25921 + ... + 30599.

It is an arithmetic number, because the mean of its divisors is an integer number (5607420).

Almost surely, 2^132228540 is an apocalyptic number.

132228540 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 132228540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201867120).

132228540 is an abundant number, since it is smaller than the sum of its proper divisors (271505700).

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

132228540 is a wasteful number, since it uses less digits than its factorization.

132228540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851 (or 4846 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 132228540 is about 11499.0669186678. The cubic root of 132228540 is about 509.4580170814.

The spelling of 132228540 in words is "one hundred thirty-two million, two hundred twenty-eight thousand, five hundred forty".