134789888 has 36 divisors (see below), whose sum is σ = 270077808. Its totient is φ = 67138560.

The previous prime is 134789881. The next prime is 134789911. The reversal of 134789888 is 888987431.

It is not an unprimeable number, because it can be changed into a prime (134789881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78770 + ... + 80462.

Almost surely, 2^134789888 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 134789888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135038904).

134789888 is an abundant number, since it is smaller than the sum of its proper divisors (135287920).

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

134789888 is an equidigital number, since it uses as much as digits as its factorization.

134789888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020 (or 2006 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 56.

The square root of 134789888 is about 11609.9047369046. The cubic root of 134789888 is about 512.7265076893.

The spelling of 134789888 in words is "one hundred thirty-four million, seven hundred eighty-nine thousand, eight hundred eighty-eight".