132130242 has 12 divisors (see below), whose sum is σ = 286282230. Its totient is φ = 44043408.

The previous prime is 132130241. The next prime is 132130247. The reversal of 132130242 is 242031231.

132130242 is a `hidden beast` number, since 1 + 321 + 302 + 42 = 666.

132130242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 118135161 + 13995081 = 10869^2 + 3741^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7340569 = 132130242 / (1 + 3 + 2 + 1 + 3 + 0 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (132130241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3670267 + ... + 3670302.

Almost surely, 2^132130242 is an apocalyptic number.

132130242 is an abundant number, since it is smaller than the sum of its proper divisors (154151988).

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

132130242 is a wasteful number, since it uses less digits than its factorization.

132130242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340577 (or 7340574 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 132130242 is about 11494.7919511403. The cubic root of 132130242 is about 509.3317429838.

Adding to 132130242 its reverse (242031231), we get a palindrome (374161473).

The spelling of 132130242 in words is "one hundred thirty-two million, one hundred thirty thousand, two hundred forty-two".