132520140 has 144 divisors (see below), whose sum is σ = 424569600. Its totient is φ = 33406464.

The previous prime is 132520099. The next prime is 132520147. The reversal of 132520140 is 41025231.

132520140 is a `hidden beast` number, since 1 + 3 + 2 + 520 + 140 = 666.

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

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (132520147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276421 + ... + 276899.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^132520140 is an apocalyptic number.

132520140 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 132520140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212284800).

132520140 is an abundant number, since it is smaller than the sum of its proper divisors (292049460).

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

132520140 is a wasteful number, since it uses less digits than its factorization.

132520140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 132520140 is about 11511.7392256774. The cubic root of 132520140 is about 509.8322400940.

Adding to 132520140 its reverse (41025231), we get a palindrome (173545371).

The spelling of 132520140 in words is "one hundred thirty-two million, five hundred twenty thousand, one hundred forty".