136568332572 has 120 divisors (see below), whose sum is σ = 373630992000. Its totient is φ = 38821815648.

The previous prime is 136568332529. The next prime is 136568332577. The reversal of 136568332572 is 275233865631.

It is a super-2 number, since 2×136568332572² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5721679 + ... + 5745497.

It is an arithmetic number, because the mean of its divisors is an integer number (3113591600).

Almost surely, 2^136568332572 is an apocalyptic number.

136568332572 is a gapful number since it is divisible by the number (12) 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 136568332572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186815496000).

136568332572 is an abundant number, since it is smaller than the sum of its proper divisors (237062659428).

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

136568332572 is a wasteful number, since it uses less digits than its factorization.

136568332572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24053 (or 24030 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 51.

The spelling of 136568332572 in words is "one hundred thirty-six billion, five hundred sixty-eight million, three hundred thirty-two thousand, five hundred seventy-two".