135800909244 has 972 divisors, whose sum is σ = 499563621648. Its totient is φ = 30423444480.

The previous prime is 135800909213. The next prime is 135800909261. The reversal of 135800909244 is 442909008531.

135800909244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 135800909244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 323 ways as a sum of consecutive naturals, for example, 1860286392 + ... + 1860286464.

Almost surely, 2^135800909244 is an apocalyptic number.

135800909244 is a gapful number since it is divisible by the number (14) 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 135800909244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249781810824).

135800909244 is an abundant number, since it is smaller than the sum of its proper divisors (363762712404).

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

135800909244 is a wasteful number, since it uses less digits than its factorization.

135800909244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 135800909244 in words is "one hundred thirty-five billion, eight hundred million, nine hundred nine thousand, two hundred forty-four".