134567568 has 140 divisors (see below), whose sum is σ = 398464080. Its totient is φ = 43996608.

The previous prime is 134567561. The next prime is 134567579. The reversal of 134567568 is 865765431.

134567568 is a `hidden beast` number, since 1 + 34 + 56 + 7 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (134567561) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 968043 + ... + 968181.

It is an arithmetic number, because the mean of its divisors is an integer number (2846172).

Almost surely, 2^134567568 is an apocalyptic number.

134567568 is a gapful number since it is divisible by the number (18) 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 134567568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199232040).

134567568 is an abundant number, since it is smaller than the sum of its proper divisors (263896512).

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

134567568 is an equidigital number, since it uses as much as digits as its factorization.

134567568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 227 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 134567568 is about 11600.3262023100. The cubic root of 134567568 is about 512.4444586251. Note that the first 4 decimals are identical.

The spelling of 134567568 in words is "one hundred thirty-four million, five hundred sixty-seven thousand, five hundred sixty-eight".