173042140 has 36 divisors (see below), whose sum is σ = 372540168. Its totient is φ = 67515520.

The previous prime is 173042137. The next prime is 173042171. The reversal of 173042140 is 41240371.

It is a super-3 number, since 3×173042140³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31047 + ... + 36193.

It is an arithmetic number, because the mean of its divisors is an integer number (10348338).

Almost surely, 2^173042140 is an apocalyptic number.

173042140 is a gapful number since it is divisible by the number (10) 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 173042140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186270084).

173042140 is an abundant number, since it is smaller than the sum of its proper divisors (199498028).

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

173042140 is a wasteful number, since it uses less digits than its factorization.

173042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238 (or 5195 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 173042140 is about 13154.5482628633. The cubic root of 173042140 is about 557.2507039590.

The spelling of 173042140 in words is "one hundred seventy-three million, forty-two thousand, one hundred forty".