140223421939 has 2 divisors, whose sum is σ = 140223421940. Its totient is φ = 140223421938.

The previous prime is 140223421909. The next prime is 140223421951. The reversal of 140223421939 is 939124322041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140223421939 - 2⁵ = 140223421907 is a prime.

It is not a weakly prime, because it can be changed into another prime (140223421909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111710969 + 70111710970.

It is an arithmetic number, because the mean of its divisors is an integer number (70111710970).

Almost surely, 2^140223421939 is an apocalyptic number.

140223421939 is a deficient number, since it is larger than the sum of its proper divisors (1).

140223421939 is an equidigital number, since it uses as much as digits as its factorization.

140223421939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 140223421939 in words is "one hundred forty billion, two hundred twenty-three million, four hundred twenty-one thousand, nine hundred thirty-nine".