134869568 has 56 divisors (see below), whose sum is σ = 286143192. Its totient is φ = 62849024.

The previous prime is 134869529. The next prime is 134869571. The reversal of 134869568 is 865968431.

It can be written as a sum of positive squares in 4 ways, for example, as 1420864 + 133448704 = 1192^2 + 11552^2 .

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, 122396 + ... + 123492.

Almost surely, 2^134869568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134869568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143071596).

134869568 is an abundant number, since it is smaller than the sum of its proper divisors (151273624).

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

134869568 is a wasteful number, since it uses less digits than its factorization.

134869568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1229 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 134869568 is about 11613.3357826251. The cubic root of 134869568 is about 512.8275192246.

The spelling of 134869568 in words is "one hundred thirty-four million, eight hundred sixty-nine thousand, five hundred sixty-eight".