136685182752 has 144 divisors (see below), whose sum is σ = 403399930752. Its totient is φ = 45527235840.

The previous prime is 136685182729. The next prime is 136685182769. The reversal of 136685182752 is 257281586631.

136685182752 is a `hidden beast` number, since 1 + 366 + 8 + 5 + 1 + 8 + 275 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11557002 + ... + 11568822.

It is an arithmetic number, because the mean of its divisors is an integer number (2801388408).

Almost surely, 2^136685182752 is an apocalyptic number.

136685182752 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 136685182752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201699965376).

136685182752 is an abundant number, since it is smaller than the sum of its proper divisors (266714748000).

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

136685182752 is a wasteful number, since it uses less digits than its factorization.

136685182752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333 (or 13313 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 136685182752 in words is "one hundred thirty-six billion, six hundred eighty-five million, one hundred eighty-two thousand, seven hundred fifty-two".