135059200280 has 64 divisors (see below), whose sum is σ = 322404300000. Its totient is φ = 50743793664.

The previous prime is 135059200279. The next prime is 135059200421. The reversal of 135059200280 is 82002950531.

It is a self number, because there is not a number n which added to its sum of digits gives 135059200280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140306 + ... + 538334.

Almost surely, 2^135059200280 is an apocalyptic number.

135059200280 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 135059200280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161202150000).

135059200280 is an abundant number, since it is smaller than the sum of its proper divisors (187345099720).

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

135059200280 is a wasteful number, since it uses less digits than its factorization.

135059200280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398556 (or 398552 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 135059200280 in words is "one hundred thirty-five billion, fifty-nine million, two hundred thousand, two hundred eighty".