135093509 has 8 divisors (see below), whose sum is σ = 143990208. Its totient is φ = 126302400.

The previous prime is 135093503. The next prime is 135093521. The reversal of 135093509 is 905390531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135093509 - 2²⁴ = 118316293 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 (135093503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23747 + ... + 28880.

It is an arithmetic number, because the mean of its divisors is an integer number (17998776).

Almost surely, 2^135093509 is an apocalyptic number.

It is an amenable number.

135093509 is a deficient number, since it is larger than the sum of its proper divisors (8896699).

135093509 is a wasteful number, since it uses less digits than its factorization.

135093509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52795.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 135093509 is about 11622.9733287141. The cubic root of 135093509 is about 513.1111997339. Note that the first 4 decimals are identical.

The spelling of 135093509 in words is "one hundred thirty-five million, ninety-three thousand, five hundred nine".