136771169 has 2 divisors, whose sum is σ = 136771170. Its totient is φ = 136771168.

The previous prime is 136771127. The next prime is 136771189. The reversal of 136771169 is 961177631.

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., 134560000 + 2211169 = 11600^2 + 1487^2 .

It is a cyclic number.

It is not a de Polignac number, because 136771169 - 2¹⁶ = 136705633 is a prime.

It is a super-2 number, since 2×136771169² = 37412705339253122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136771189) 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, 68385584 + 68385585.

It is an arithmetic number, because the mean of its divisors is an integer number (68385585).

Almost surely, 2^136771169 is an apocalyptic number.

It is an amenable number.

136771169 is a deficient number, since it is larger than the sum of its proper divisors (1).

136771169 is an equidigital number, since it uses as much as digits as its factorization.

136771169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 41.

The square root of 136771169 is about 11694.9206495812. The cubic root of 136771169 is about 515.2264928914.

The spelling of 136771169 in words is "one hundred thirty-six million, seven hundred seventy-one thousand, one hundred sixty-nine".