132528505 has 4 divisors (see below), whose sum is σ = 159034212. Its totient is φ = 106022800.

The previous prime is 132528373. The next prime is 132528509. The reversal of 132528505 is 505825231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505825231 = 59 ⋅8573309.

It can be written as a sum of positive squares in 2 ways, for example, as 63489024 + 69039481 = 7968^2 + 8309^2 .

It is a de Polignac number, because none of the positive numbers 2^k-132528505 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132528509) 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 in 3 ways as a sum of consecutive naturals, for example, 13252846 + ... + 13252855.

It is an arithmetic number, because the mean of its divisors is an integer number (39758553).

Almost surely, 2^132528505 is an apocalyptic number.

It is an amenable number.

132528505 is a deficient number, since it is larger than the sum of its proper divisors (26505707).

132528505 is an equidigital number, since it uses as much as digits as its factorization.

132528505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26505706.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 132528505 is about 11512.1025447135. The cubic root of 132528505 is about 509.8429671602.

The spelling of 132528505 in words is "one hundred thirty-two million, five hundred twenty-eight thousand, five hundred five".