136422197 has 2 divisors, whose sum is σ = 136422198. Its totient is φ = 136422196.

The previous prime is 136422179. The next prime is 136422217. The reversal of 136422197 is 791224631.

Together with previous prime (136422179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115756081 + 20666116 = 10759^2 + 4546^2 .

It is an emirp because it is prime and its reverse (791224631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136422197 - 2¹² = 136418101 is a prime.

It is a super-2 number, since 2×136422197² = 37222031668613618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136422157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68211098 + 68211099.

It is an arithmetic number, because the mean of its divisors is an integer number (68211099).

Almost surely, 2^136422197 is an apocalyptic number.

It is an amenable number.

136422197 is a deficient number, since it is larger than the sum of its proper divisors (1).

136422197 is an equidigital number, since it uses as much as digits as its factorization.

136422197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 136422197 is about 11679.9913099283. The cubic root of 136422197 is about 514.7879190851.

The spelling of 136422197 in words is "one hundred thirty-six million, four hundred twenty-two thousand, one hundred ninety-seven".