140173 has 4 divisors (see below), whose sum is σ = 152928. Its totient is φ = 127420.

The previous prime is 140171. The next prime is 140177. The reversal of 140173 is 371041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140173 - 2¹ = 140171 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6361 + ... + 6382.

It is an arithmetic number, because the mean of its divisors is an integer number (38232).

2¹⁴⁰¹⁷³ is an apocalyptic number.

It is an amenable number.

140173 is a deficient number, since it is larger than the sum of its proper divisors (12755).

140173 is a wasteful number, since it uses less digits than its factorization.

140173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 140173 is about 374.3968482773. The cubic root of 140173 is about 51.9463203451.

It can be divided in two parts, 140 and 173, that added together give a palindrome (313).

The spelling of 140173 in words is "one hundred forty thousand, one hundred seventy-three", and thus it is an iban number.