136663111023 has 8 divisors (see below), whose sum is σ = 191807875200. Its totient is φ = 86313543768.

The previous prime is 136663111019. The next prime is 136663111087. The reversal of 136663111023 is 320111366631.

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

It is not a de Polignac number, because 136663111023 - 2² = 136663111019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136663111423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198799163 + ... + 1198799276.

It is an arithmetic number, because the mean of its divisors is an integer number (23975984400).

Almost surely, 2^136663111023 is an apocalyptic number.

136663111023 is a deficient number, since it is larger than the sum of its proper divisors (55144764177).

136663111023 is a wasteful number, since it uses less digits than its factorization.

136663111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397598461.

The product of its (nonzero) digits is 11664, while the sum is 33.

Adding to 136663111023 its reverse (320111366631), we get a palindrome (456774477654).

The spelling of 136663111023 in words is "one hundred thirty-six billion, six hundred sixty-three million, one hundred eleven thousand, twenty-three".