135054551856 has 120 divisors (see below), whose sum is σ = 406926246720. Its totient is φ = 38484948096.

The previous prime is 135054551773. The next prime is 135054551893. The reversal of 135054551856 is 658155450531.

135054551856 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 815655 + ... + 967161.

It is an arithmetic number, because the mean of its divisors is an integer number (3391052056).

Almost surely, 2^135054551856 is an apocalyptic number.

135054551856 is a gapful number since it is divisible by the number (16) 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 135054551856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203463123360).

135054551856 is an abundant number, since it is smaller than the sum of its proper divisors (271871694864).

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

135054551856 is a wasteful number, since it uses less digits than its factorization.

135054551856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151911 (or 151898 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 48.

The spelling of 135054551856 in words is "one hundred thirty-five billion, fifty-four million, five hundred fifty-one thousand, eight hundred fifty-six".