136605722352 has 240 divisors, whose sum is σ = 401080162560. Its totient is φ = 40009052160.

The previous prime is 136605722339. The next prime is 136605722353. The reversal of 136605722352 is 253227506631.

It is a super-2 number, since 2×136605722352² (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 (136605722353) 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 47 ways as a sum of consecutive naturals, for example, 24222349 + ... + 24227987.

It is an arithmetic number, because the mean of its divisors is an integer number (1671167344).

Almost surely, 2^136605722352 is an apocalyptic number.

136605722352 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 136605722352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200540081280).

136605722352 is an abundant number, since it is smaller than the sum of its proper divisors (264474440208).

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

136605722352 is a wasteful number, since it uses less digits than its factorization.

136605722352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812 (or 5795 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 136605722352 in words is "one hundred thirty-six billion, six hundred five million, seven hundred twenty-two thousand, three hundred fifty-two".