136967797 has 2 divisors, whose sum is σ = 136967798. Its totient is φ = 136967796.

The previous prime is 136967791. The next prime is 136967801. The reversal of 136967797 is 797769631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107308881 + 29658916 = 10359^2 + 5446^2 .

It is an emirp because it is prime and its reverse (797769631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136967797 - 2⁷ = 136967669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136967791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68483898 + 68483899.

It is an arithmetic number, because the mean of its divisors is an integer number (68483899).

Almost surely, 2^136967797 is an apocalyptic number.

It is an amenable number.

136967797 is a deficient number, since it is larger than the sum of its proper divisors (1).

136967797 is an equidigital number, since it uses as much as digits as its factorization.

136967797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000564, while the sum is 55.

The square root of 136967797 is about 11703.3241858884. The cubic root of 136967797 is about 515.4732784436.

The spelling of 136967797 in words is "one hundred thirty-six million, nine hundred sixty-seven thousand, seven hundred ninety-seven".