135796609 has 8 divisors (see below), whose sum is σ = 146363840. Its totient is φ = 125246736.

The previous prime is 135796603. The next prime is 135796627. The reversal of 135796609 is 906697531.

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 135796609 - 2³ = 135796601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135796601) 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, 15202 + ... + 22420.

It is an arithmetic number, because the mean of its divisors is an integer number (18295480).

Almost surely, 2^135796609 is an apocalyptic number.

It is an amenable number.

135796609 is a deficient number, since it is larger than the sum of its proper divisors (10567231).

135796609 is a wasteful number, since it uses less digits than its factorization.

135796609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8679.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 135796609 is about 11653.1802097110. The cubic root of 135796609 is about 513.9998296719. Note that the first 3 decimals are identical.

The spelling of 135796609 in words is "one hundred thirty-five million, seven hundred ninety-six thousand, six hundred nine".