132205661 has 4 divisors (see below), whose sum is σ = 151092192. Its totient is φ = 113319132.

The previous prime is 132205657. The next prime is 132205663. The reversal of 132205661 is 166502231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 132205661 - 2² = 132205657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132205661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132205663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9443255 + ... + 9443268.

It is an arithmetic number, because the mean of its divisors is an integer number (37773048).

Almost surely, 2^132205661 is an apocalyptic number.

It is an amenable number.

132205661 is a deficient number, since it is larger than the sum of its proper divisors (18886531).

132205661 is an equidigital number, since it uses as much as digits as its factorization.

132205661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18886530.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 132205661 is about 11498.0720557840. The cubic root of 132205661 is about 509.4286321940.

Adding to 132205661 its reverse (166502231), we get a palindrome (298707892).

It can be divided in two parts, 13220 and 5661, that added together give a palindrome (18881).

The spelling of 132205661 in words is "one hundred thirty-two million, two hundred five thousand, six hundred sixty-one".