136605266099 has 8 divisors (see below), whose sum is σ = 136958994480. Its totient is φ = 136251714816.

The previous prime is 136605266041. The next prime is 136605266101. The reversal of 136605266099 is 990662506631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136605266099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136605266099.

It is not an unprimeable number, because it can be changed into a prime (136605266009) 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 7 ways as a sum of consecutive naturals, for example, 1576799 + ... + 1661175.

It is an arithmetic number, because the mean of its divisors is an integer number (17119874310).

Almost surely, 2^136605266099 is an apocalyptic number.

136605266099 is a deficient number, since it is larger than the sum of its proper divisors (353728381).

136605266099 is an equidigital number, since it uses as much as digits as its factorization.

136605266099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88549.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 136605266099 in words is "one hundred thirty-six billion, six hundred five million, two hundred sixty-six thousand, ninety-nine".