140056428076969 has 2 divisors, whose sum is σ = 140056428076970. Its totient is φ = 140056428076968.

The previous prime is 140056428076843. The next prime is 140056428076997. The reversal of 140056428076969 is 969670824650041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120310953763225 + 19745474313744 = 10968635^2 + 4443588^2 .

It is a cyclic number.

It is not a de Polignac number, because 140056428076969 - 2¹⁷ = 140056427945897 is a prime.

It is a super-2 number, since 2×140056428076969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140056428070969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70028214038484 + 70028214038485.

It is an arithmetic number, because the mean of its divisors is an integer number (70028214038485).

Almost surely, 2^{140056428076969} is an apocalyptic number.

It is an amenable number.

140056428076969 is a deficient number, since it is larger than the sum of its proper divisors (1).

140056428076969 is an equidigital number, since it uses as much as digits as its factorization.

140056428076969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 140056428076969 in words is "one hundred forty trillion, fifty-six billion, four hundred twenty-eight million, seventy-six thousand, nine hundred sixty-nine".