135263446160 has 80 divisors (see below), whose sum is σ = 323286629760. Its totient is φ = 52612439040.

The previous prime is 135263446133. The next prime is 135263446181. The reversal of 135263446160 is 61644362531.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251531 + ... + 577749.

It is an arithmetic number, because the mean of its divisors is an integer number (4041082872).

Almost surely, 2^135263446160 is an apocalyptic number.

135263446160 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 135263446160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161643314880).

135263446160 is an abundant number, since it is smaller than the sum of its proper divisors (188023183600).

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

135263446160 is a wasteful number, since it uses less digits than its factorization.

135263446160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326376 (or 326370 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 135263446160 in words is "one hundred thirty-five billion, two hundred sixty-three million, four hundred forty-six thousand, one hundred sixty".