134123808 has 144 divisors (see below), whose sum is σ = 436072896. Its totient is φ = 35343360.

The previous prime is 134123807. The next prime is 134123827. The reversal of 134123808 is 808321431.

It is a super-4 number, since 4×134123808⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (134123807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112978 + ... + 114158.

It is an arithmetic number, because the mean of its divisors is an integer number (3028284).

Almost surely, 2^134123808 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 134123808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218036448).

134123808 is an abundant number, since it is smaller than the sum of its proper divisors (301949088).

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

134123808 is a wasteful number, since it uses less digits than its factorization.

134123808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 134123808 is about 11581.1833592254. The cubic root of 134123808 is about 511.8805466771.

The spelling of 134123808 in words is "one hundred thirty-four million, one hundred twenty-three thousand, eight hundred eight".