140300343 has 20 divisors (see below), whose sum is σ = 210089880. Its totient is φ = 93308112.

The previous prime is 140300341. The next prime is 140300359. The reversal of 140300343 is 343003041.

It is not a de Polignac number, because 140300343 - 2¹ = 140300341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140300341) 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 19 ways as a sum of consecutive naturals, for example, 35973 + ... + 39681.

It is an arithmetic number, because the mean of its divisors is an integer number (10504494).

Almost surely, 2^140300343 is an apocalyptic number.

140300343 is a deficient number, since it is larger than the sum of its proper divisors (69789537).

140300343 is an equidigital number, since it uses as much as digits as its factorization.

140300343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188 (or 4179 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 140300343 is about 11844.8445747507. The cubic root of 140300343 is about 519.6204614614.

Adding to 140300343 its reverse (343003041), we get a palindrome (483303384).

The spelling of 140300343 in words is "one hundred forty million, three hundred thousand, three hundred forty-three".