134871808 has 72 divisors (see below), whose sum is σ = 286609680. Its totient is φ = 63221760.

The previous prime is 134871797. The next prime is 134871809. The reversal of 134871808 is 808178431.

It is not an unprimeable number, because it can be changed into a prime (134871809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274443 + ... + 274933.

It is an arithmetic number, because the mean of its divisors is an integer number (3980690).

Almost surely, 2^134871808 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 134871808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143304840).

134871808 is an abundant number, since it is smaller than the sum of its proper divisors (151737872).

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

134871808 is an equidigital number, since it uses as much as digits as its factorization.

134871808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 134871808 is about 11613.4322230769. The cubic root of 134871808 is about 512.8303583313.

The spelling of 134871808 in words is "one hundred thirty-four million, eight hundred seventy-one thousand, eight hundred eight".