136633666363 has 4 divisors (see below), whose sum is σ = 137616642520. Its totient is φ = 135650690208.

The previous prime is 136633666339. The next prime is 136633666417. The reversal of 136633666363 is 363666336631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363666336631 = 13 ⋅27974333587.

It is a cyclic number.

It is not a de Polignac number, because 136633666363 - 2¹³ = 136633658171 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 136633666363.

It is not an unprimeable number, because it can be changed into a prime (136633666303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491487870 + ... + 491488147.

It is an arithmetic number, because the mean of its divisors is an integer number (34404160630).

Almost surely, 2^136633666363 is an apocalyptic number.

136633666363 is a deficient number, since it is larger than the sum of its proper divisors (982976157).

136633666363 is an equidigital number, since it uses as much as digits as its factorization.

136633666363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982976156.

The product of its digits is 11337408, while the sum is 52.

The spelling of 136633666363 in words is "one hundred thirty-six billion, six hundred thirty-three million, six hundred sixty-six thousand, three hundred sixty-three".