136193486888 has 8 divisors (see below), whose sum is σ = 255362787930. Its totient is φ = 68096743440.

The previous prime is 136193486881. The next prime is 136193486927. The reversal of 136193486888 is 888684391631.

It can be written as a sum of positive squares in only one way, i.e., 88757518084 + 47435968804 = 297922^2 + 217798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (136193486881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8512092923 + ... + 8512092938.

Almost surely, 2^136193486888 is an apocalyptic number.

It is an amenable number.

136193486888 is a deficient number, since it is larger than the sum of its proper divisors (119169301042).

136193486888 is a wasteful number, since it uses less digits than its factorization.

136193486888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17024185867 (or 17024185863 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 65.

The spelling of 136193486888 in words is "one hundred thirty-six billion, one hundred ninety-three million, four hundred eighty-six thousand, eight hundred eighty-eight".