134336401664 has 72 divisors (see below), whose sum is σ = 279021697920. Its totient is φ = 64498423808.

The previous prime is 134336401657. The next prime is 134336401679. The reversal of 134336401664 is 466104633431.

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, 532367 + ... + 743025.

It is an arithmetic number, because the mean of its divisors is an integer number (3875301360).

Almost surely, 2^134336401664 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 134336401664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139510848960).

134336401664 is an abundant number, since it is smaller than the sum of its proper divisors (144685296256).

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

134336401664 is an equidigital number, since it uses as much as digits as its factorization.

134336401664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210775 (or 210761 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 134336401664 in words is "one hundred thirty-four billion, three hundred thirty-six million, four hundred one thousand, six hundred sixty-four".