135568888 has 96 divisors (see below), whose sum is σ = 327499200. Its totient is φ = 52109568.

The previous prime is 135568883. The next prime is 135568973. The reversal of 135568888 is 888865531.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135568883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188193 + ... + 188911.

It is an arithmetic number, because the mean of its divisors is an integer number (3411450).

Almost surely, 2^135568888 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 135568888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163749600).

135568888 is an abundant number, since it is smaller than the sum of its proper divisors (191930312).

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

135568888 is a wasteful number, since it uses less digits than its factorization.

135568888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 778 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 52.

The square root of 135568888 is about 11643.4053437987. The cubic root of 135568888 is about 513.7123555236.

The spelling of 135568888 in words is "one hundred thirty-five million, five hundred sixty-eight thousand, eight hundred eighty-eight".