1420190134109 has 2 divisors, whose sum is σ = 1420190134110. Its totient is φ = 1420190134108.

The previous prime is 1420190134073. The next prime is 1420190134133. The reversal of 1420190134109 is 9014310910241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970230910009 + 449959224100 = 985003^2 + 670790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420190134109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420190134189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710095067054 + 710095067055.

It is an arithmetic number, because the mean of its divisors is an integer number (710095067055).

Almost surely, 2^{1420190134109} is an apocalyptic number.

It is an amenable number.

1420190134109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420190134109 is an equidigital number, since it uses as much as digits as its factorization.

1420190134109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 1420190134109 in words is "one trillion, four hundred twenty billion, one hundred ninety million, one hundred thirty-four thousand, one hundred nine".