135675609 has 8 divisors (see below), whose sum is σ = 181900992. Its totient is φ = 89950320.

The previous prime is 135675607. The next prime is 135675611. The reversal of 135675609 is 906576531.

It is a happy number.

135675609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135675607) and next prime (135675611).

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

It is not a de Polignac number, because 135675609 - 2¹ = 135675607 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135675607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124389 + ... + 125474.

It is an arithmetic number, because the mean of its divisors is an integer number (22737624).

Almost surely, 2^135675609 is an apocalyptic number.

It is an amenable number.

135675609 is a deficient number, since it is larger than the sum of its proper divisors (46225383).

135675609 is a wasteful number, since it uses less digits than its factorization.

135675609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250047.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 135675609 is about 11647.9873368750. The cubic root of 135675609 is about 513.8471197689.

The spelling of 135675609 in words is "one hundred thirty-five million, six hundred seventy-five thousand, six hundred nine".