136631645334 has 48 divisors (see below), whose sum is σ = 306307591200. Its totient is φ = 43964178048.

The previous prime is 136631645333. The next prime is 136631645377. The reversal of 136631645334 is 433546136631.

It is a happy number.

136631645334 is a `hidden beast` number, since 1 + 3 + 6 + 631 + 6 + 4 + 5 + 3 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 136631645334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136631645333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2727687 + ... + 2777325.

It is an arithmetic number, because the mean of its divisors is an integer number (6381408150).

Almost surely, 2^136631645334 is an apocalyptic number.

136631645334 is an abundant number, since it is smaller than the sum of its proper divisors (169675945866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136631645334 is a wasteful number, since it uses less digits than its factorization.

136631645334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54949 (or 54946 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 45.

The spelling of 136631645334 in words is "one hundred thirty-six billion, six hundred thirty-one million, six hundred forty-five thousand, three hundred thirty-four".