132406565 has 4 divisors (see below), whose sum is σ = 158887884. Its totient is φ = 105925248.

The previous prime is 132406553. The next prime is 132406577. The reversal of 132406565 is 565604231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565604231 = 4027 ⋅140453.

It is an interprime number because it is at equal distance from previous prime (132406553) and next prime (132406577).

It can be written as a sum of positive squares in 2 ways, for example, as 66618244 + 65788321 = 8162^2 + 8111^2 .

It is a cyclic number.

It is not a de Polignac number, because 132406565 - 2⁶ = 132406501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13240652 + ... + 13240661.

It is an arithmetic number, because the mean of its divisors is an integer number (39721971).

Almost surely, 2^132406565 is an apocalyptic number.

It is an amenable number.

132406565 is a deficient number, since it is larger than the sum of its proper divisors (26481319).

132406565 is an equidigital number, since it uses as much as digits as its factorization.

132406565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26481318.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 132406565 is about 11506.8051604257. The cubic root of 132406565 is about 509.6865496688.

The spelling of 132406565 in words is "one hundred thirty-two million, four hundred six thousand, five hundred sixty-five".