136012069 has 2 divisors, whose sum is σ = 136012070. Its totient is φ = 136012068.

The previous prime is 136012021. The next prime is 136012099. The reversal of 136012069 is 960210631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116316225 + 19695844 = 10785^2 + 4438^2 .

It is an emirp because it is prime and its reverse (960210631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136012069 - 2¹³ = 136003877 is a prime.

It is a super-2 number, since 2×136012069² = 36998565827321522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136012099) 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, 68006034 + 68006035.

It is an arithmetic number, because the mean of its divisors is an integer number (68006035).

Almost surely, 2^136012069 is an apocalyptic number.

It is an amenable number.

136012069 is a deficient number, since it is larger than the sum of its proper divisors (1).

136012069 is an equidigital number, since it uses as much as digits as its factorization.

136012069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 136012069 is about 11662.4212323171. The cubic root of 136012069 is about 514.2715298373.

The spelling of 136012069 in words is "one hundred thirty-six million, twelve thousand, sixty-nine".