132305513 has 4 divisors (see below), whose sum is σ = 132646020. Its totient is φ = 131965008.

The previous prime is 132305497. The next prime is 132305519. The reversal of 132305513 is 315503231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315503231 = 10151 ⋅31081.

It can be written as a sum of positive squares in 2 ways, for example, as 37982569 + 94322944 = 6163^2 + 9712^2 .

It is a cyclic number.

It is not a de Polignac number, because 132305513 - 2⁴ = 132305497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132305519) 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, 169670 + ... + 170447.

It is an arithmetic number, because the mean of its divisors is an integer number (33161505).

Almost surely, 2^132305513 is an apocalyptic number.

It is an amenable number.

132305513 is a deficient number, since it is larger than the sum of its proper divisors (340507).

132305513 is an equidigital number, since it uses as much as digits as its factorization.

132305513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340506.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 132305513 is about 11502.4133554659. The cubic root of 132305513 is about 509.5568532964.

Adding to 132305513 its reverse (315503231), we get a palindrome (447808744).

The spelling of 132305513 in words is "one hundred thirty-two million, three hundred five thousand, five hundred thirteen".