132645647 has 2 divisors, whose sum is σ = 132645648. Its totient is φ = 132645646.

The previous prime is 132645641. The next prime is 132645671. The reversal of 132645647 is 746546231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132645647 - 2¹⁰ = 132644623 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132645647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132645641) 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 as a sum of consecutive naturals, namely, 66322823 + 66322824.

It is an arithmetic number, because the mean of its divisors is an integer number (66322824).

Almost surely, 2^132645647 is an apocalyptic number.

132645647 is a deficient number, since it is larger than the sum of its proper divisors (1).

132645647 is an equidigital number, since it uses as much as digits as its factorization.

132645647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 132645647 is about 11517.1891970220. The cubic root of 132645647 is about 509.9931397257.

The spelling of 132645647 in words is "one hundred thirty-two million, six hundred forty-five thousand, six hundred forty-seven".