136065605 has 8 divisors (see below), whose sum is σ = 175838712. Its totient is φ = 100479168.

The previous prime is 136065599. The next prime is 136065619. The reversal of 136065605 is 506560631.

It can be written as a sum of positive squares in 4 ways, for example, as 29604481 + 106461124 = 5441^2 + 10318^2 .

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 136065605 - 2²² = 131871301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046594 + ... + 1046723.

It is an arithmetic number, because the mean of its divisors is an integer number (21979839).

Almost surely, 2^136065605 is an apocalyptic number.

It is an amenable number.

136065605 is a deficient number, since it is larger than the sum of its proper divisors (39773107).

136065605 is a wasteful number, since it uses less digits than its factorization.

136065605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093335.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 136065605 is about 11664.7162417266. The cubic root of 136065605 is about 514.3389954902.

The spelling of 136065605 in words is "one hundred thirty-six million, sixty-five thousand, six hundred five".