132135661 has 8 divisors (see below), whose sum is σ = 154695744. Its totient is φ = 110496480.

The previous prime is 132135607. The next prime is 132135673. The reversal of 132135661 is 166531231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132135661 - 2⁹ = 132135149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132135961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229915 + ... + 230488.

It is an arithmetic number, because the mean of its divisors is an integer number (19336968).

Almost surely, 2^132135661 is an apocalyptic number.

It is an amenable number.

132135661 is a deficient number, since it is larger than the sum of its proper divisors (22560083).

132135661 is an equidigital number, since it uses as much as digits as its factorization.

132135661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460451.

The product of its digits is 3240, while the sum is 28.

The square root of 132135661 is about 11495.0276641685. The cubic root of 132135661 is about 509.3387058888.

Adding to 132135661 its reverse (166531231), we get a palindrome (298666892).

The spelling of 132135661 in words is "one hundred thirty-two million, one hundred thirty-five thousand, six hundred sixty-one".