135555341451240 has 512 divisors, whose sum is σ = 442792562688000. Its totient is φ = 33098079928320.

The previous prime is 135555341451191. The next prime is 135555341451293. The reversal of 135555341451240 is 42154143555531.

It is a self number, because there is not a number n which added to its sum of digits gives 135555341451240.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21520133611 + ... + 21520139909.

It is an arithmetic number, because the mean of its divisors is an integer number (864829224000).

Almost surely, 2^{135555341451240} is an apocalyptic number.

135555341451240 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 135555341451240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221396281344000).

135555341451240 is an abundant number, since it is smaller than the sum of its proper divisors (307237221236760).

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

135555341451240 is a wasteful number, since it uses less digits than its factorization.

135555341451240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9057 (or 9053 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 135555341451240 in words is "one hundred thirty-five trillion, five hundred fifty-five billion, three hundred forty-one million, four hundred fifty-one thousand, two hundred forty".