135011605 has 16 divisors (see below), whose sum is σ = 165168000. Its totient is φ = 105917760.

The previous prime is 135011599. The next prime is 135011621. The reversal of 135011605 is 506110531.

It is not a de Polignac number, because 135011605 - 2⁷ = 135011477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182326 + ... + 183064.

It is an arithmetic number, because the mean of its divisors is an integer number (10323000).

Almost surely, 2^135011605 is an apocalyptic number.

It is an amenable number.

135011605 is a deficient number, since it is larger than the sum of its proper divisors (30156395).

135011605 is an equidigital number, since it uses as much as digits as its factorization.

135011605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 135011605 is about 11619.4494275762. The cubic root of 135011605 is about 513.0074830417.

The spelling of 135011605 in words is "one hundred thirty-five million, eleven thousand, six hundred five".