134840173608 has 256 divisors, whose sum is σ = 438307430400. Its totient is φ = 37608157440.

The previous prime is 134840173583. The next prime is 134840173661. The reversal of 134840173608 is 806371048431.

134840173608 is a `hidden beast` number, since 1 + 34 + 8 + 4 + 0 + 1 + 7 + 3 + 608 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29915691 + ... + 29920197.

It is an arithmetic number, because the mean of its divisors is an integer number (1712138400).

Almost surely, 2^134840173608 is an apocalyptic number.

134840173608 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 134840173608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219153715200).

134840173608 is an abundant number, since it is smaller than the sum of its proper divisors (303467256792).

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

134840173608 is a wasteful number, since it uses less digits than its factorization.

134840173608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997 (or 4987 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 134840173608 in words is "one hundred thirty-four billion, eight hundred forty million, one hundred seventy-three thousand, six hundred eight".