135485728000 has 288 divisors, whose sum is σ = 386769277440. Its totient is φ = 46326988800.

The previous prime is 135485727983. The next prime is 135485728003. The reversal of 135485728000 is 827584531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135485728003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127455469 + ... + 127456531.

It is an arithmetic number, because the mean of its divisors is an integer number (1342948880).

Almost surely, 2^135485728000 is an apocalyptic number.

135485728000 is a gapful number since it is divisible by the number (10) 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 135485728000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193384638720).

135485728000 is an abundant number, since it is smaller than the sum of its proper divisors (251283549440).

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

135485728000 is an equidigital number, since it uses as much as digits as its factorization.

135485728000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 135485728000 in words is "one hundred thirty-five billion, four hundred eighty-five million, seven hundred twenty-eight thousand".