173402135952 has 80 divisors (see below), whose sum is σ = 471829176000. Its totient is φ = 54724073472.

The previous prime is 173402135947. The next prime is 173402135983. The reversal of 173402135952 is 259531204371.

173402135952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408324 + ... + 1526492.

It is an arithmetic number, because the mean of its divisors is an integer number (5897864700).

Almost surely, 2^173402135952 is an apocalyptic number.

173402135952 is a gapful number since it is divisible by the number (12) 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 173402135952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235914588000).

173402135952 is an abundant number, since it is smaller than the sum of its proper divisors (298427040048).

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

173402135952 is a wasteful number, since it uses less digits than its factorization.

173402135952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119808 (or 119802 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 173402135952 in words is "one hundred seventy-three billion, four hundred two million, one hundred thirty-five thousand, nine hundred fifty-two".