136568332576 has 144 divisors (see below), whose sum is σ = 313403575464. Its totient is φ = 58201767936.

The previous prime is 136568332529. The next prime is 136568332577. The reversal of 136568332576 is 675233865631.

It can be written as a sum of positive squares in 12 ways, for example, as 16506082576 + 120062250000 = 128476^2 + 346500^2 .

It is not an unprimeable number, because it can be changed into a prime (136568332577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6361156 + ... + 6382588.

Almost surely, 2^136568332576 is an apocalyptic number.

136568332576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136568332576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156701787732).

136568332576 is an abundant number, since it is smaller than the sum of its proper divisors (176835242888).

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

136568332576 is a wasteful number, since it uses less digits than its factorization.

136568332576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21543 (or 21518 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 55.

The spelling of 136568332576 in words is "one hundred thirty-six billion, five hundred sixty-eight million, three hundred thirty-two thousand, five hundred seventy-six".