132648233 has 4 divisors (see below), whose sum is σ = 137222340. Its totient is φ = 128074128.

The previous prime is 132648223. The next prime is 132648239. The reversal of 132648233 is 332846231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78287104 + 54361129 = 8848^2 + 7373^2 .

It is a cyclic number.

It is not a de Polignac number, because 132648233 - 2⁶ = 132648169 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 132648233.

It is not an unprimeable number, because it can be changed into a prime (132648239) 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 3 ways as a sum of consecutive naturals, for example, 2287010 + ... + 2287067.

It is an arithmetic number, because the mean of its divisors is an integer number (34305585).

Almost surely, 2^132648233 is an apocalyptic number.

It is an amenable number.

132648233 is a deficient number, since it is larger than the sum of its proper divisors (4574107).

132648233 is an equidigital number, since it uses as much as digits as its factorization.

132648233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574106.

The product of its digits is 20736, while the sum is 32.

The square root of 132648233 is about 11517.3014634505. The cubic root of 132648233 is about 509.9964539033.

The spelling of 132648233 in words is "one hundred thirty-two million, six hundred forty-eight thousand, two hundred thirty-three".