135745085505860 has 24 divisors (see below), whose sum is σ = 285065339584536. Its totient is φ = 54297908483840.

The previous prime is 135745085505851. The next prime is 135745085505881. The reversal of 135745085505860 is 68505580547531.

It can be written as a sum of positive squares in 4 ways, for example, as 18179120635204 + 117565964870656 = 4263698^2 + 10842784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135745085505793 and 135745085505802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254290 + ... + 16524630.

It is an arithmetic number, because the mean of its divisors is an integer number (11877722482689).

Almost surely, 2^{135745085505860} is an apocalyptic number.

135745085505860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135745085505860 is an abundant number, since it is smaller than the sum of its proper divisors (149320254078676).

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

135745085505860 is a wasteful number, since it uses less digits than its factorization.

135745085505860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15714823 (or 15714821 counting only the distinct ones).

The product of its (nonzero) digits is 100800000, while the sum is 62.

The spelling of 135745085505860 in words is "one hundred thirty-five trillion, seven hundred forty-five billion, eighty-five million, five hundred five thousand, eight hundred sixty".