135854127983780 has 96 divisors (see below), whose sum is σ = 287468154489600. Its totient is φ = 53928955491840.

The previous prime is 135854127983701. The next prime is 135854127983789. The reversal of 135854127983780 is 87389721458531.

It is not an unprimeable number, because it can be changed into a prime (135854127983789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6313793582 + ... + 6313815098.

It is an arithmetic number, because the mean of its divisors is an integer number (2994459942600).

Almost surely, 2^{135854127983780} is an apocalyptic number.

135854127983780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135854127983780 is an abundant number, since it is smaller than the sum of its proper divisors (151614026505820).

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

135854127983780 is a wasteful number, since it uses less digits than its factorization.

135854127983780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25749 (or 25747 counting only the distinct ones).

The product of its (nonzero) digits is 406425600, while the sum is 71.

The spelling of 135854127983780 in words is "one hundred thirty-five trillion, eight hundred fifty-four billion, one hundred twenty-seven million, nine hundred eighty-three thousand, seven hundred eighty".