135217704140 has 24 divisors (see below), whose sum is σ = 283967038320. Its totient is φ = 54085203648.

The previous prime is 135217704133. The next prime is 135217704179. The reversal of 135217704140 is 41407712531.

It is a self number, because there is not a number n which added to its sum of digits gives 135217704140.

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, 571691 + ... + 772829.

It is an arithmetic number, because the mean of its divisors is an integer number (11831959930).

Almost surely, 2^135217704140 is an apocalyptic number.

135217704140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135217704140 is an abundant number, since it is smaller than the sum of its proper divisors (148749334180).

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

135217704140 is a wasteful number, since it uses less digits than its factorization.

135217704140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234761 (or 234759 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 135217704140 in words is "one hundred thirty-five billion, two hundred seventeen million, seven hundred four thousand, one hundred forty".