132938866 has 4 divisors (see below), whose sum is σ = 199408302. Its totient is φ = 66469432.

The previous prime is 132938863. The next prime is 132938867. The reversal of 132938866 is 668839231.

132938866 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: 668839231 = 197 ⋅3395123.

It can be written as a sum of positive squares in only one way, i.e., 132917841 + 21025 = 11529^2 + 145^2 .

It is not an unprimeable number, because it can be changed into a prime (132938863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33234715 + ... + 33234718.

Almost surely, 2^132938866 is an apocalyptic number.

132938866 is a deficient number, since it is larger than the sum of its proper divisors (66469436).

132938866 is an equidigital number, since it uses as much as digits as its factorization.

132938866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66469435.

The product of its digits is 373248, while the sum is 46.

The square root of 132938866 is about 11529.9117949792. The cubic root of 132938866 is about 510.3686505421.

The spelling of 132938866 in words is "one hundred thirty-two million, nine hundred thirty-eight thousand, eight hundred sixty-six".