136033066409 has 4 divisors (see below), whose sum is σ = 138263116740. Its totient is φ = 133803016080.

The previous prime is 136033066331. The next prime is 136033066441. The reversal of 136033066409 is 904660330631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13793328025 + 122239738384 = 117445^2 + 349628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136033066409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136033066489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115025074 + ... + 1115025195.

It is an arithmetic number, because the mean of its divisors is an integer number (34565779185).

Almost surely, 2^136033066409 is an apocalyptic number.

It is an amenable number.

136033066409 is a deficient number, since it is larger than the sum of its proper divisors (2230050331).

136033066409 is an equidigital number, since it uses as much as digits as its factorization.

136033066409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230050330.

The product of its (nonzero) digits is 209952, while the sum is 41.

The spelling of 136033066409 in words is "one hundred thirty-six billion, thirty-three million, sixty-six thousand, four hundred nine".