132541666 has 4 divisors (see below), whose sum is σ = 198812502. Its totient is φ = 66270832.

The previous prime is 132541637. The next prime is 132541667. The reversal of 132541666 is 666145231.

132541666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666145231 = 4019 ⋅165749.

It can be written as a sum of positive squares in only one way, i.e., 101505625 + 31036041 = 10075^2 + 5571^2 .

It is not an unprimeable number, because it can be changed into a prime (132541667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33135415 + ... + 33135418.

Almost surely, 2^132541666 is an apocalyptic number.

132541666 is a deficient number, since it is larger than the sum of its proper divisors (66270836).

132541666 is an equidigital number, since it uses as much as digits as its factorization.

132541666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66270835.

The product of its digits is 25920, while the sum is 34.

The square root of 132541666 is about 11512.6741463484. The cubic root of 132541666 is about 509.8598435829.

Adding to 132541666 its reverse (666145231), we get a palindrome (798686897).

The spelling of 132541666 in words is "one hundred thirty-two million, five hundred forty-one thousand, six hundred sixty-six".