132421565 has 8 divisors (see below), whose sum is σ = 159705600. Its totient is φ = 105404112.

The previous prime is 132421561. The next prime is 132421567. The reversal of 132421565 is 565124231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132421565 - 2² = 132421561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132421561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65549 + ... + 67538.

It is an arithmetic number, because the mean of its divisors is an integer number (19963200).

Almost surely, 2^132421565 is an apocalyptic number.

It is an amenable number.

132421565 is a deficient number, since it is larger than the sum of its proper divisors (27284035).

132421565 is a wasteful number, since it uses less digits than its factorization.

132421565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133291.

The product of its digits is 7200, while the sum is 29.

The square root of 132421565 is about 11507.4569301823. The cubic root of 132421565 is about 509.7057959692.

Adding to 132421565 its reverse (565124231), we get a palindrome (697545796).

The spelling of 132421565 in words is "one hundred thirty-two million, four hundred twenty-one thousand, five hundred sixty-five".