135111663616 has 112 divisors (see below), whose sum is σ = 281746445904. Its totient is φ = 64730824704.

The previous prime is 135111663587. The next prime is 135111663679. The reversal of 135111663616 is 616366111531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18665950 + ... + 18673186.

It is an arithmetic number, because the mean of its divisors is an integer number (2515593267).

Almost surely, 2^135111663616 is an apocalyptic number.

135111663616 is a gapful number since it is divisible by the number (16) 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 135111663616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140873222952).

135111663616 is an abundant number, since it is smaller than the sum of its proper divisors (146634782288).

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

135111663616 is an frugal number, since it uses more digits than its factorization.

135111663616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7359 (or 7335 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The spelling of 135111663616 in words is "one hundred thirty-five billion, one hundred eleven million, six hundred sixty-three thousand, six hundred sixteen".