136022251 has 2 divisors, whose sum is σ = 136022252. Its totient is φ = 136022250.

The previous prime is 136022233. The next prime is 136022269. The reversal of 136022251 is 152220631.

It is a balanced prime because it is at equal distance from previous prime (136022233) and next prime (136022269).

It is a cyclic number.

It is not a de Polignac number, because 136022251 - 2¹⁹ = 135497963 is a prime.

It is not a weakly prime, because it can be changed into another prime (136022291) 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 as a sum of consecutive naturals, namely, 68011125 + 68011126.

It is an arithmetic number, because the mean of its divisors is an integer number (68011126).

Almost surely, 2^136022251 is an apocalyptic number.

136022251 is a deficient number, since it is larger than the sum of its proper divisors (1).

136022251 is an equidigital number, since it uses as much as digits as its factorization.

136022251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 136022251 is about 11662.8577544271. The cubic root of 136022251 is about 514.2843624781.

Adding to 136022251 its reverse (152220631), we get a palindrome (288242882).

The spelling of 136022251 in words is "one hundred thirty-six million, twenty-two thousand, two hundred fifty-one".