132568565 has 4 divisors (see below), whose sum is σ = 159082284. Its totient is φ = 106054848.

The previous prime is 132568561. The next prime is 132568571. The reversal of 132568565 is 565865231.

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 31787044 + 100781521 = 5638^2 + 10039^2 .

It is a cyclic number.

It is not a de Polignac number, because 132568565 - 2² = 132568561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132568561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13256852 + ... + 13256861.

It is an arithmetic number, because the mean of its divisors is an integer number (39770571).

Almost surely, 2^132568565 is an apocalyptic number.

It is an amenable number.

132568565 is a deficient number, since it is larger than the sum of its proper divisors (26513719).

132568565 is an equidigital number, since it uses as much as digits as its factorization.

132568565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26513718.

The product of its digits is 216000, while the sum is 41.

The square root of 132568565 is about 11513.8423213105. The cubic root of 132568565 is about 509.8943328436.

The spelling of 132568565 in words is "one hundred thirty-two million, five hundred sixty-eight thousand, five hundred sixty-five".