136843115544 has 192 divisors, whose sum is σ = 401875344000. Its totient is φ = 41908838400.

The previous prime is 136843115537. The next prime is 136843115573. The reversal of 136843115544 is 445511348631.

It is a happy number.

136843115544 is a `hidden beast` number, since 1 + 3 + 6 + 84 + 3 + 11 + 554 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 136843115544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8597994 + ... + 8613894.

It is an arithmetic number, because the mean of its divisors is an integer number (2093100750).

Almost surely, 2^136843115544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136843115544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200937672000).

136843115544 is an abundant number, since it is smaller than the sum of its proper divisors (265032228456).

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

136843115544 is a wasteful number, since it uses less digits than its factorization.

136843115544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16098 (or 16091 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 136843115544 in words is "one hundred thirty-six billion, eight hundred forty-three million, one hundred fifteen thousand, five hundred forty-four".