134689005808 has 40 divisors (see below), whose sum is σ = 298389632000. Its totient is φ = 57694887360.

The previous prime is 134689005793. The next prime is 134689005827. The reversal of 134689005808 is 808500986431.

It is a super-2 number, since 2×134689005808² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76908 + ... + 524683.

It is an arithmetic number, because the mean of its divisors is an integer number (7459740800).

Almost surely, 2^134689005808 is an apocalyptic number.

It is an amenable number.

134689005808 is an abundant number, since it is smaller than the sum of its proper divisors (163700626192).

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

134689005808 is a wasteful number, since it uses less digits than its factorization.

134689005808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603605 (or 603599 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 134689005808 in words is "one hundred thirty-four billion, six hundred eighty-nine million, five thousand, eight hundred eight".