136106225 has 6 divisors (see below), whose sum is σ = 168771750. Its totient is φ = 108884960.

The previous prime is 136106221. The next prime is 136106293. The reversal of 136106225 is 522601631.

It can be written as a sum of positive squares in 3 ways, for example, as 80656 + 136025569 = 284^2 + 11663^2 .

It is not a de Polignac number, because 136106225 - 2² = 136106221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136106194 and 136106203.

It is not an unprimeable number, because it can be changed into a prime (136106221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2722100 + ... + 2722149.

It is an arithmetic number, because the mean of its divisors is an integer number (28128625).

Almost surely, 2^136106225 is an apocalyptic number.

It is an amenable number.

136106225 is a deficient number, since it is larger than the sum of its proper divisors (32665525).

136106225 is an equidigital number, since it uses as much as digits as its factorization.

136106225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444259 (or 5444254 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 136106225 is about 11666.4572600254. The cubic root of 136106225 is about 514.3901726933.

Adding to 136106225 its reverse (522601631), we get a palindrome (658707856).

The spelling of 136106225 in words is "one hundred thirty-six million, one hundred six thousand, two hundred twenty-five".