135809134 has 8 divisors (see below), whose sum is σ = 206754408. Its totient is φ = 66891000.

The previous prime is 135809123. The next prime is 135809159. The reversal of 135809134 is 431908531.

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

It is a self number, because there is not a number n which added to its sum of digits gives 135809134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506617 + ... + 506884.

It is an arithmetic number, because the mean of its divisors is an integer number (25844301).

Almost surely, 2^135809134 is an apocalyptic number.

135809134 is a deficient number, since it is larger than the sum of its proper divisors (70945274).

135809134 is a wasteful number, since it uses less digits than its factorization.

135809134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013570.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 135809134 is about 11653.7176042669. The cubic root of 135809134 is about 514.0156318582.

The spelling of 135809134 in words is "one hundred thirty-five million, eight hundred nine thousand, one hundred thirty-four".