136121117163 has 16 divisors (see below), whose sum is σ = 192346887456. Its totient is φ = 85331151360.

The previous prime is 136121117141. The next prime is 136121117179. The reversal of 136121117163 is 361711121631.

It is not a de Polignac number, because 136121117163 - 2²⁰ = 136120068587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136121117123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165228 + ... + 1276713.

It is an arithmetic number, because the mean of its divisors is an integer number (12021680466).

Almost surely, 2^136121117163 is an apocalyptic number.

136121117163 is a deficient number, since it is larger than the sum of its proper divisors (56225770293).

136121117163 is a wasteful number, since it uses less digits than its factorization.

136121117163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443054.

The product of its digits is 4536, while the sum is 33.

Adding to 136121117163 its reverse (361711121631), we get a palindrome (497832238794).

The spelling of 136121117163 in words is "one hundred thirty-six billion, one hundred twenty-one million, one hundred seventeen thousand, one hundred sixty-three".