136700869 has 2 divisors, whose sum is σ = 136700870. Its totient is φ = 136700868.

The previous prime is 136700849. The next prime is 136700881. The reversal of 136700869 is 968007631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96530625 + 40170244 = 9825^2 + 6338^2 .

It is a cyclic number.

It is not a de Polignac number, because 136700869 - 2⁹ = 136700357 is a prime.

It is a super-2 number, since 2×136700869² = 37374255170710322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_7736269 and since 136700869 and 7736269 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136700849) 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, 68350434 + 68350435.

It is an arithmetic number, because the mean of its divisors is an integer number (68350435).

Almost surely, 2^136700869 is an apocalyptic number.

It is an amenable number.

136700869 is a deficient number, since it is larger than the sum of its proper divisors (1).

136700869 is an equidigital number, since it uses as much as digits as its factorization.

136700869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 136700869 is about 11691.9146849436. The cubic root of 136700869 is about 515.1382027685.

The spelling of 136700869 in words is "one hundred thirty-six million, seven hundred thousand, eight hundred sixty-nine".