140321443 has 2 divisors, whose sum is σ = 140321444. Its totient is φ = 140321442.

The previous prime is 140321437. The next prime is 140321449. The reversal of 140321443 is 344123041.

It is a balanced prime because it is at equal distance from previous prime (140321437) and next prime (140321449).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140321443 is a prime.

It is not a weakly prime, because it can be changed into another prime (140321449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70160721 + 70160722.

It is an arithmetic number, because the mean of its divisors is an integer number (70160722).

Almost surely, 2^140321443 is an apocalyptic number.

140321443 is a deficient number, since it is larger than the sum of its proper divisors (1).

140321443 is an equidigital number, since it uses as much as digits as its factorization.

140321443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 140321443 is about 11845.7352241218. The cubic root of 140321443 is about 519.6465090150.

Adding to 140321443 its reverse (344123041), we get a palindrome (484444484).

The spelling of 140321443 in words is "one hundred forty million, three hundred twenty-one thousand, four hundred forty-three".