132513509 has 2 divisors, whose sum is σ = 132513510. Its totient is φ = 132513508.

The previous prime is 132513497. The next prime is 132513541. The reversal of 132513509 is 905315231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125104225 + 7409284 = 11185^2 + 2722^2 .

It is an emirp because it is prime and its reverse (905315231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132513509 - 2⁸ = 132513253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132513109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66256754 + 66256755.

It is an arithmetic number, because the mean of its divisors is an integer number (66256755).

Almost surely, 2^132513509 is an apocalyptic number.

It is an amenable number.

132513509 is a deficient number, since it is larger than the sum of its proper divisors (1).

132513509 is an equidigital number, since it uses as much as digits as its factorization.

132513509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 132513509 is about 11511.4512117283. The cubic root of 132513509 is about 509.8237363451.

The spelling of 132513509 in words is "one hundred thirty-two million, five hundred thirteen thousand, five hundred nine".