135132317 has 4 divisors (see below), whose sum is σ = 139491456. Its totient is φ = 130773180.

The previous prime is 135132307. The next prime is 135132331. The reversal of 135132317 is 713231531.

135132317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 713231531 = 41 ⋅17395891.

It is a cyclic number.

It is not a de Polignac number, because 135132317 - 2¹⁶ = 135066781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135132307) 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, 2179523 + ... + 2179584.

It is an arithmetic number, because the mean of its divisors is an integer number (34872864).

Almost surely, 2^135132317 is an apocalyptic number.

It is an amenable number.

135132317 is a deficient number, since it is larger than the sum of its proper divisors (4359139).

135132317 is an equidigital number, since it uses as much as digits as its factorization.

135132317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359138.

The product of its digits is 1890, while the sum is 26.

The square root of 135132317 is about 11624.6426611746. The cubic root of 135132317 is about 513.1603284525.

Adding to 135132317 its reverse (713231531), we get a palindrome (848363848).

The spelling of 135132317 in words is "one hundred thirty-five million, one hundred thirty-two thousand, three hundred seventeen".