135375218840 has 64 divisors (see below), whose sum is σ = 317944085760. Its totient is φ = 51778362240.

The previous prime is 135375218837. The next prime is 135375218857. The reversal of 135375218840 is 48812573531.

135375218840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 2908955 + ... + 2955125.

It is an arithmetic number, because the mean of its divisors is an integer number (4967876340).

Almost surely, 2^135375218840 is an apocalyptic number.

135375218840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135375218840 is an abundant number, since it is smaller than the sum of its proper divisors (182568866920).

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

135375218840 is a wasteful number, since it uses less digits than its factorization.

135375218840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49392 (or 49388 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 135375218840 in words is "one hundred thirty-five billion, three hundred seventy-five million, two hundred eighteen thousand, eight hundred forty".