134975808 has 196 divisors, whose sum is σ = 439753248. Its totient is φ = 40746240.

The previous prime is 134975783. The next prime is 134975809. The reversal of 134975808 is 808579431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134975809) 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, 513085 + ... + 513347.

Almost surely, 2^134975808 is an apocalyptic number.

134975808 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 134975808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219876624).

134975808 is an abundant number, since it is smaller than the sum of its proper divisors (304777440).

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

134975808 is an equidigital number, since it uses as much as digits as its factorization.

134975808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 134975808 is about 11617.9089340552. The cubic root of 134975808 is about 512.9621394035.

The spelling of 134975808 in words is "one hundred thirty-four million, nine hundred seventy-five thousand, eight hundred eight".