173431140 has 48 divisors (see below), whose sum is σ = 490432320. Its totient is φ = 45788800.

The previous prime is 173431129. The next prime is 173431147. The reversal of 173431140 is 41134371.

It is a self number, because there is not a number n which added to its sum of digits gives 173431140.

It is not an unprimeable number, because it can be changed into a prime (173431147) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8250 + ... + 20369.

It is an arithmetic number, because the mean of its divisors is an integer number (10217340).

Almost surely, 2^173431140 is an apocalyptic number.

173431140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173431140 is an abundant number, since it is smaller than the sum of its proper divisors (317001180).

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

173431140 is a wasteful number, since it uses less digits than its factorization.

173431140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28732 (or 28730 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 173431140 is about 13169.3257230581. The cubic root of 173431140 is about 557.6679593407.

The spelling of 173431140 in words is "one hundred seventy-three million, four hundred thirty-one thousand, one hundred forty".