135899998080 has 1024 divisors, whose sum is σ = 557363773440. Its totient is φ = 27581030400.

The previous prime is 135899998051. The next prime is 135899998109. The reversal of 135899998080 is 80899998531.

135899998080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135899998051) and next prime (135899998109).

It is a junction number, because it is equal to n+sod(n) for n = 135899997996 and 135899998014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1270093387 + ... + 1270093493.

It is an arithmetic number, because the mean of its divisors is an integer number (544300560).

Almost surely, 2^135899998080 is an apocalyptic number.

135899998080 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 135899998080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278681886720).

135899998080 is an abundant number, since it is smaller than the sum of its proper divisors (421463775360).

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

135899998080 is a wasteful number, since it uses less digits than its factorization.

135899998080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 69.

The spelling of 135899998080 in words is "one hundred thirty-five billion, eight hundred ninety-nine million, nine hundred ninety-eight thousand, eighty".