140343 has 16 divisors (see below), whose sum is σ = 220416. Its totient is φ = 77760.

The previous prime is 140339. The next prime is 140351. The reversal of 140343 is 343041.

It is not a de Polignac number, because 140343 - 2² = 140339 is a prime.

140343 is a lucky number.

It is a plaindrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140343.

It is not an unprimeable number, because it can be changed into a prime (140333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780 + ... + 942.

It is an arithmetic number, because the mean of its divisors is an integer number (13776).

2¹⁴⁰³⁴³ is an apocalyptic number.

140343 is a deficient number, since it is larger than the sum of its proper divisors (80073).

140343 is a wasteful number, since it uses less digits than its factorization.

140343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 140343 is about 374.6238113094. The cubic root of 140343 is about 51.9673118030.

Adding to 140343 its reverse (343041), we get a palindrome (483384).

The spelling of 140343 in words is "one hundred forty thousand, three hundred forty-three", and thus it is an iban number.