1420134530561 has 2 divisors, whose sum is σ = 1420134530562. Its totient is φ = 1420134530560.

The previous prime is 1420134530539. The next prime is 1420134530599. The reversal of 1420134530561 is 1650354310241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 789112422400 + 631022108161 = 888320^2 + 794369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420134530561 - 2¹⁴ = 1420134514177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420134530531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710067265280 + 710067265281.

It is an arithmetic number, because the mean of its divisors is an integer number (710067265281).

Almost surely, 2^{1420134530561} is an apocalyptic number.

It is an amenable number.

1420134530561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420134530561 is an equidigital number, since it uses as much as digits as its factorization.

1420134530561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1420134530561 in words is "one trillion, four hundred twenty billion, one hundred thirty-four million, five hundred thirty thousand, five hundred sixty-one".