136276672728 has 128 divisors (see below), whose sum is σ = 402144652800. Its totient is φ = 37678058496.

The previous prime is 136276672723. The next prime is 136276672751. The reversal of 136276672728 is 827276672631.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136276672723) 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 31 ways as a sum of consecutive naturals, for example, 545163 + ... + 754821.

It is an arithmetic number, because the mean of its divisors is an integer number (3141755100).

Almost surely, 2^136276672728 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 136276672728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201072326400).

136276672728 is an abundant number, since it is smaller than the sum of its proper divisors (265867980072).

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

136276672728 is a wasteful number, since it uses less digits than its factorization.

136276672728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209801 (or 209797 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 57.

The spelling of 136276672728 in words is "one hundred thirty-six billion, two hundred seventy-six million, six hundred seventy-two thousand, seven hundred twenty-eight".