136805093 has 8 divisors (see below), whose sum is σ = 141696000. Its totient is φ = 131925808.

The previous prime is 136805041. The next prime is 136805099. The reversal of 136805093 is 390508631.

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 136805093 - 2¹² = 136800997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136805099) 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, 26108 + ... + 30906.

It is an arithmetic number, because the mean of its divisors is an integer number (17712000).

Almost surely, 2^136805093 is an apocalyptic number.

It is an amenable number.

136805093 is a deficient number, since it is larger than the sum of its proper divisors (4890907).

136805093 is an equidigital number, since it uses as much as digits as its factorization.

136805093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 136805093 is about 11696.3709329005. The cubic root of 136805093 is about 515.2690873914.

The spelling of 136805093 in words is "one hundred thirty-six million, eight hundred five thousand, ninety-three".