173134505344 has 64 divisors (see below), whose sum is σ = 347547198960. Its totient is φ = 85909448704.

The previous prime is 173134505293. The next prime is 173134505363. The reversal of 173134505344 is 443505431371.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 173134505297 and 173134505306.

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, 9201354 + ... + 9220150.

Almost surely, 2^173134505344 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 173134505344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173773599480).

173134505344 is an abundant number, since it is smaller than the sum of its proper divisors (174412693616).

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

173134505344 is a wasteful number, since it uses less digits than its factorization.

173134505344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19355 (or 19343 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 173134505344 in words is "one hundred seventy-three billion, one hundred thirty-four million, five hundred five thousand, three hundred forty-four".