140000343 has 8 divisors (see below), whose sum is σ = 213333888. Its totient is φ = 80000184.

The previous prime is 140000339. The next prime is 140000347. The reversal of 140000343 is 343000041.

It is an interprime number because it is at equal distance from previous prime (140000339) and next prime (140000347).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140000343 - 2² = 140000339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140000347) 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 7 ways as a sum of consecutive naturals, for example, 3333321 + ... + 3333362.

It is an arithmetic number, because the mean of its divisors is an integer number (26666736).

Almost surely, 2^140000343 is an apocalyptic number.

140000343 is a deficient number, since it is larger than the sum of its proper divisors (73333545).

140000343 is an equidigital number, since it uses as much as digits as its factorization.

140000343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666693.

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

The square root of 140000343 is about 11832.1740605858. The cubic root of 140000343 is about 519.2498342384.

Adding to 140000343 its reverse (343000041), we get a palindrome (483000384).

The spelling of 140000343 in words is "one hundred forty million, three hundred forty-three", and thus it is an aban number.