136331864168 has 16 divisors (see below), whose sum is σ = 269076048000. Its totient is φ = 64578251376.

The previous prime is 136331864161. The next prime is 136331864177. The reversal of 136331864168 is 861468133631.

It is not an unprimeable number, because it can be changed into a prime (136331864161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448459928 + ... + 448460231.

It is an arithmetic number, because the mean of its divisors is an integer number (16817253000).

Almost surely, 2^136331864168 is an apocalyptic number.

It is an amenable number.

136331864168 is a deficient number, since it is larger than the sum of its proper divisors (132744183832).

136331864168 is a wasteful number, since it uses less digits than its factorization.

136331864168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896920184 (or 896920180 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

Adding to 136331864168 its reverse (861468133631), we get a palindrome (997799997799).

The spelling of 136331864168 in words is "one hundred thirty-six billion, three hundred thirty-one million, eight hundred sixty-four thousand, one hundred sixty-eight".