140442659443 has 2 divisors, whose sum is σ = 140442659444. Its totient is φ = 140442659442.

The previous prime is 140442659429. The next prime is 140442659473. The reversal of 140442659443 is 344956244041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140442659443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140442659393 and 140442659402.

It is not a weakly prime, because it can be changed into another prime (140442659473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70221329721 + 70221329722.

It is an arithmetic number, because the mean of its divisors is an integer number (70221329722).

Almost surely, 2^140442659443 is an apocalyptic number.

140442659443 is a deficient number, since it is larger than the sum of its proper divisors (1).

140442659443 is an equidigital number, since it uses as much as digits as its factorization.

140442659443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 140442659443 in words is "one hundred forty billion, four hundred forty-two million, six hundred fifty-nine thousand, four hundred forty-three".