136222253 has 4 divisors (see below), whose sum is σ = 136817340. Its totient is φ = 135627168.

The previous prime is 136222249. The next prime is 136222259. The reversal of 136222253 is 352222631.

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 118091689 + 18130564 = 10867^2 + 4258^2 .

It is a cyclic number.

It is not a de Polignac number, because 136222253 - 2² = 136222249 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 (136222259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297200 + ... + 297657.

It is an arithmetic number, because the mean of its divisors is an integer number (34204335).

Almost surely, 2^136222253 is an apocalyptic number.

It is an amenable number.

136222253 is a deficient number, since it is larger than the sum of its proper divisors (595087).

136222253 is an equidigital number, since it uses as much as digits as its factorization.

136222253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595086.

The product of its digits is 4320, while the sum is 26.

The square root of 136222253 is about 11671.4289185172. The cubic root of 136222253 is about 514.5363004972.

Adding to 136222253 its reverse (352222631), we get a palindrome (488444884).

The spelling of 136222253 in words is "one hundred thirty-six million, two hundred twenty-two thousand, two hundred fifty-three".