134326649808 has 160 divisors (see below), whose sum is σ = 415635342080. Its totient is φ = 41290560000.

The previous prime is 134326649771. The next prime is 134326649813. The reversal of 134326649808 is 808946623431.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5958558 + ... + 5981058.

It is an arithmetic number, because the mean of its divisors is an integer number (2597720888).

Almost surely, 2^134326649808 is an apocalyptic number.

134326649808 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 134326649808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207817671040).

134326649808 is an abundant number, since it is smaller than the sum of its proper divisors (281308692272).

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

134326649808 is a wasteful number, since it uses less digits than its factorization.

134326649808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23594 (or 23582 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 134326649808 in words is "one hundred thirty-four billion, three hundred twenty-six million, six hundred forty-nine thousand, eight hundred eight".