136828205 has 4 divisors (see below), whose sum is σ = 164193852. Its totient is φ = 109462560.

The previous prime is 136828201. The next prime is 136828213. The reversal of 136828205 is 502828631.

136828205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71961289 + 64866916 = 8483^2 + 8054^2 .

It is not a de Polignac number, because 136828205 - 2² = 136828201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136828201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13682816 + ... + 13682825.

It is an arithmetic number, because the mean of its divisors is an integer number (41048463).

Almost surely, 2^136828205 is an apocalyptic number.

It is an amenable number.

136828205 is a deficient number, since it is larger than the sum of its proper divisors (27365647).

136828205 is an equidigital number, since it uses as much as digits as its factorization.

136828205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27365646.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 136828205 is about 11697.3588899375. The cubic root of 136828205 is about 515.2981024626.

The spelling of 136828205 in words is "one hundred thirty-six million, eight hundred twenty-eight thousand, two hundred five".