140220043939 has 2 divisors, whose sum is σ = 140220043940. Its totient is φ = 140220043938.

The previous prime is 140220043937. The next prime is 140220043969. The reversal of 140220043939 is 939340022041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140220043939 - 2¹ = 140220043937 is a prime.

Together with 140220043937, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 140220043898 and 140220043907.

It is not a weakly prime, because it can be changed into another prime (140220043933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70110021969 + 70110021970.

It is an arithmetic number, because the mean of its divisors is an integer number (70110021970).

Almost surely, 2^140220043939 is an apocalyptic number.

140220043939 is a deficient number, since it is larger than the sum of its proper divisors (1).

140220043939 is an equidigital number, since it uses as much as digits as its factorization.

140220043939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 140220043939 in words is "one hundred forty billion, two hundred twenty million, forty-three thousand, nine hundred thirty-nine".