135510609 has 8 divisors (see below), whose sum is σ = 194579392. Its totient is φ = 83391120.

The previous prime is 135510563. The next prime is 135510623. The reversal of 135510609 is 906015531.

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

It is not a de Polignac number, because 135510609 - 2⁷ = 135510481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135510629) 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, 1737277 + ... + 1737354.

It is an arithmetic number, because the mean of its divisors is an integer number (24322424).

Almost surely, 2^135510609 is an apocalyptic number.

It is an amenable number.

135510609 is a deficient number, since it is larger than the sum of its proper divisors (59068783).

135510609 is a wasteful number, since it uses less digits than its factorization.

135510609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474647.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 135510609 is about 11640.9024134729. The cubic root of 135510609 is about 513.6387326005.

The spelling of 135510609 in words is "one hundred thirty-five million, five hundred ten thousand, six hundred nine".