132564647 has 2 divisors, whose sum is σ = 132564648. Its totient is φ = 132564646.

The previous prime is 132564643. The next prime is 132564667. The reversal of 132564647 is 746465231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132564647 - 2² = 132564643 is a prime.

It is equal to p_7515398 and since 132564647 and 7515398 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 132564647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132564643) 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, 66282323 + 66282324.

It is an arithmetic number, because the mean of its divisors is an integer number (66282324).

Almost surely, 2^132564647 is an apocalyptic number.

132564647 is a deficient number, since it is larger than the sum of its proper divisors (1).

132564647 is an equidigital number, since it uses as much as digits as its factorization.

132564647 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 132564647 is about 11513.6721770250. The cubic root of 132564647 is about 509.8893095671.

The spelling of 132564647 in words is "one hundred thirty-two million, five hundred sixty-four thousand, six hundred forty-seven".