140220043969 has 2 divisors, whose sum is σ = 140220043970. Its totient is φ = 140220043968.

The previous prime is 140220043939. The next prime is 140220044039. The reversal of 140220043969 is 969340022041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133727713344 + 6492330625 = 365688^2 + 80575^2 .

It is a cyclic number.

It is not a de Polignac number, because 140220043969 - 2⁵ = 140220043937 is a prime.

It is a super-2 number, since 2×140220043969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140220043919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70110021984 + 70110021985.

It is an arithmetic number, because the mean of its divisors is an integer number (70110021985).

Almost surely, 2^140220043969 is an apocalyptic number.

It is an amenable number.

140220043969 is a deficient number, since it is larger than the sum of its proper divisors (1).

140220043969 is an equidigital number, since it uses as much as digits as its factorization.

140220043969 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 140220043969 in words is "one hundred forty billion, two hundred twenty million, forty-three thousand, nine hundred sixty-nine".