140193 has 12 divisors (see below), whose sum is σ = 208468. Its totient is φ = 90720.
The previous prime is 140191. The next prime is 140197. The reversal of 140193 is 391041.
140193 is nontrivially palindromic in base 11.
It can be written as a sum of positive squares in 2 ways, for example, as 51984 + 88209 = 228^2 + 297^2 .
It is not a de Polignac number, because 140193 - 21 = 140191 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (140191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123 + ... + 543.
2140193 is an apocalyptic number.
It is an amenable number.
140193 is a deficient number, since it is larger than the sum of its proper divisors (68275).
140193 is a wasteful number, since it uses less digits than its factorization.
140193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 464 (or 461 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 140193 is about 374.4235569512. The cubic root of 140193 is about 51.9487908090.
It can be divided in two parts, 140 and 193, that added together give a palindrome (333).
The spelling of 140193 in words is "one hundred forty thousand, one hundred ninety-three".
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