65442132 has 36 divisors (see below), whose sum is σ = 189055776. Its totient is φ = 18697680.

The previous prime is 65442127. The next prime is 65442149. The reversal of 65442132 is 23124456.

65442132 is a `hidden beast` number, since 654 + 4 + 2 + 1 + 3 + 2 = 666.

65442132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 65442096 and 65442105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129594 + ... + 130097.

Almost surely, 2^65442132 is an apocalyptic number.

It is an amenable number.

65442132 is an abundant number, since it is smaller than the sum of its proper divisors (123613644).

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

65442132 is a wasteful number, since it uses less digits than its factorization.

65442132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259708 (or 259703 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 65442132 is about 8089.6311411584. The cubic root of 65442132 is about 402.9821533185.

Adding to 65442132 its reverse (23124456), we get a palindrome (88566588).

The spelling of 65442132 in words is "sixty-five million, four hundred forty-two thousand, one hundred thirty-two".