140435443 has 2 divisors, whose sum is σ = 140435444. Its totient is φ = 140435442.

The previous prime is 140435431. The next prime is 140435473. The reversal of 140435443 is 344534041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140435443 - 2¹⁷ = 140304371 is a prime.

It is a super-2 number, since 2×140435443² = 39444227301212498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140435423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70217721 + 70217722.

It is an arithmetic number, because the mean of its divisors is an integer number (70217722).

Almost surely, 2^140435443 is an apocalyptic number.

140435443 is a deficient number, since it is larger than the sum of its proper divisors (1).

140435443 is an equidigital number, since it uses as much as digits as its factorization.

140435443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 140435443 is about 11850.5461055599. The cubic root of 140435443 is about 519.7871947280.

Adding to 140435443 its reverse (344534041), we get a palindrome (484969484).

The spelling of 140435443 in words is "one hundred forty million, four hundred thirty-five thousand, four hundred forty-three".