132205665 has 16 divisors (see below), whose sum is σ = 213712128. Its totient is φ = 69782016.

The previous prime is 132205663. The next prime is 132205681. The reversal of 132205665 is 566502231.

It is not a de Polignac number, because 132205665 - 2¹ = 132205663 is a prime.

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

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 15 ways as a sum of consecutive naturals, for example, 43977 + ... + 46886.

It is an arithmetic number, because the mean of its divisors is an integer number (13357008).

Almost surely, 2^132205665 is an apocalyptic number.

132205665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132205665 is a deficient number, since it is larger than the sum of its proper divisors (81506463).

132205665 is an equidigital number, since it uses as much as digits as its factorization.

132205665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90968.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 132205665 is about 11498.0722297262. The cubic root of 132205665 is about 509.4286373317.

Adding to 132205665 its reverse (566502231), we get a palindrome (698707896).

It can be divided in two parts, 132205 and 665, that added together give a triangular number (132870 = T₅₁₅).

The spelling of 132205665 in words is "one hundred thirty-two million, two hundred five thousand, six hundred sixty-five".