135020313560 has 128 divisors (see below), whose sum is σ = 334667764800. Its totient is φ = 49022617600.

The previous prime is 135020313521. The next prime is 135020313577. The reversal of 135020313560 is 65313020531.

It is a congruent number.

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, 43708496 + ... + 43711584.

Almost surely, 2^135020313560 is an apocalyptic number.

135020313560 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 135020313560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167333882400).

135020313560 is an abundant number, since it is smaller than the sum of its proper divisors (199647451240).

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

135020313560 is a wasteful number, since it uses less digits than its factorization.

135020313560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954 (or 3928 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The spelling of 135020313560 in words is "one hundred thirty-five billion, twenty million, three hundred thirteen thousand, five hundred sixty".