135263660 has 96 divisors (see below), whose sum is σ = 344762880. Its totient is φ = 43545600.

The previous prime is 135263651. The next prime is 135263693. The reversal of 135263660 is 66362531.

135263660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 561140 + ... + 561380.

It is an arithmetic number, because the mean of its divisors is an integer number (3591280).

Almost surely, 2^135263660 is an apocalyptic number.

135263660 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 135263660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172381440).

135263660 is an abundant number, since it is smaller than the sum of its proper divisors (209499220).

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

135263660 is a wasteful number, since it uses less digits than its factorization.

135263660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 135263660 is about 11630.2906240558. The cubic root of 135263660 is about 513.3265314591.

The spelling of 135263660 in words is "one hundred thirty-five million, two hundred sixty-three thousand, six hundred sixty".