132512240 has 80 divisors (see below), whose sum is σ = 360357888. Its totient is φ = 44368128.

The previous prime is 132512221. The next prime is 132512249. The reversal of 132512240 is 42215231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132512249) 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, 21329 + ... + 26831.

Almost surely, 2^132512240 is an apocalyptic number.

132512240 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 132512240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180178944).

132512240 is an abundant number, since it is smaller than the sum of its proper divisors (227845648).

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

132512240 is a wasteful number, since it uses less digits than its factorization.

132512240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566 (or 5560 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 132512240 is about 11511.3960925684. The cubic root of 132512240 is about 509.8221089176.

Adding to 132512240 its reverse (42215231), we get a palindrome (174727471).

The spelling of 132512240 in words is "one hundred thirty-two million, five hundred twelve thousand, two hundred forty".