132505211 has 4 divisors (see below), whose sum is σ = 132599112. Its totient is φ = 132411312.

The previous prime is 132505207. The next prime is 132505249. The reversal of 132505211 is 112505231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132505211 - 2² = 132505207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132505111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44801 + ... + 47666.

It is an arithmetic number, because the mean of its divisors is an integer number (33149778).

Almost surely, 2^132505211 is an apocalyptic number.

132505211 is a deficient number, since it is larger than the sum of its proper divisors (93901).

132505211 is an equidigital number, since it uses as much as digits as its factorization.

132505211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93900.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 132505211 is about 11511.0907823716. The cubic root of 132505211 is about 509.8130943970.

Adding to 132505211 its sum of digits (20), we get a palindrome (132505231).

The spelling of 132505211 in words is "one hundred thirty-two million, five hundred five thousand, two hundred eleven".