132640530 has 64 divisors (see below), whose sum is σ = 350448768. Its totient is φ = 31861760.

The previous prime is 132640499. The next prime is 132640531. The reversal of 132640530 is 35046231.

It is a happy number.

It is a super-4 number, since 4×132640530⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 132640530.

It is not an unprimeable number, because it can be changed into a prime (132640531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35512 + ... + 39068.

It is an arithmetic number, because the mean of its divisors is an integer number (5475762).

Almost surely, 2^132640530 is an apocalyptic number.

132640530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 132640530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175224384).

132640530 is an abundant number, since it is smaller than the sum of its proper divisors (217808238).

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

132640530 is a wasteful number, since it uses less digits than its factorization.

132640530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 132640530 is about 11516.9670486635. The cubic root of 132640530 is about 509.9865817308.

Adding to 132640530 its reverse (35046231), we get a palindrome (167686761).

The spelling of 132640530 in words is "one hundred thirty-two million, six hundred forty thousand, five hundred thirty".