135532875720 has 128 divisors (see below), whose sum is σ = 445164647040. Its totient is φ = 32737751040.

The previous prime is 135532875713. The next prime is 135532875757. The reversal of 135532875720 is 27578235531.

It is a self number, because there is not a number n which added to its sum of digits gives 135532875720.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180304 + ... + 550976.

It is an arithmetic number, because the mean of its divisors is an integer number (3477848805).

Almost surely, 2^135532875720 is an apocalyptic number.

135532875720 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 135532875720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222582323520).

135532875720 is an abundant number, since it is smaller than the sum of its proper divisors (309631771320).

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

135532875720 is a wasteful number, since it uses less digits than its factorization.

135532875720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370975 (or 370971 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 135532875720 in words is "one hundred thirty-five billion, five hundred thirty-two million, eight hundred seventy-five thousand, seven hundred twenty".