132523240 has 64 divisors (see below), whose sum is σ = 312854400. Its totient is φ = 50426112.

The previous prime is 132523219. The next prime is 132523247. The reversal of 132523240 is 42325231.

It is not an unprimeable number, because it can be changed into a prime (132523247) 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, 260106 + ... + 260614.

It is an arithmetic number, because the mean of its divisors is an integer number (4888350).

Almost surely, 2^132523240 is an apocalyptic number.

132523240 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 132523240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156427200).

132523240 is an abundant number, since it is smaller than the sum of its proper divisors (180331160).

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

132523240 is a wasteful number, since it uses less digits than its factorization.

132523240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 822 counting only the distinct ones).

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

The square root of 132523240 is about 11511.8738700526. The cubic root of 132523240 is about 509.8362155089.

Adding to 132523240 its reverse (42325231), we get a palindrome (174848471).

The spelling of 132523240 in words is "one hundred thirty-two million, five hundred twenty-three thousand, two hundred forty".