135255340252500 has 720 divisors, whose sum is σ = 446827403860992. Its totient is φ = 31641337728000.

The previous prime is 135255340252489. The next prime is 135255340252541. The reversal of 135255340252500 is 5252043552531.

It is a congruent number.

It is an unprimeable number.

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 239 ways as a sum of consecutive naturals, for example, 8097659149 + ... + 8097675851.

Almost surely, 2^{135255340252500} is an apocalyptic number.

135255340252500 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 135255340252500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223413701930496).

135255340252500 is an abundant number, since it is smaller than the sum of its proper divisors (311572063608492).

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

135255340252500 is a wasteful number, since it uses less digits than its factorization.

135255340252500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16946 (or 16906 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 135255340252500 in words is "one hundred thirty-five trillion, two hundred fifty-five billion, three hundred forty million, two hundred fifty-two thousand, five hundred".