1420747226785 has 8 divisors (see below), whose sum is σ = 1746479518056. Its totient is φ = 1108875884160.

The previous prime is 1420747226741. The next prime is 1420747226813. The reversal of 1420747226785 is 5876227470241.

It can be written as a sum of positive squares in 4 ways, for example, as 38638978624 + 1382108248161 = 196568^2 + 1175631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1420747226785 - 2¹³ = 1420747218593 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3465236934 + ... + 3465237343.

It is an arithmetic number, because the mean of its divisors is an integer number (218309939757).

Almost surely, 2^{1420747226785} is an apocalyptic number.

It is an amenable number.

1420747226785 is a deficient number, since it is larger than the sum of its proper divisors (325732291271).

1420747226785 is an equidigital number, since it uses as much as digits as its factorization.

1420747226785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930474323.

The product of its (nonzero) digits is 10536960, while the sum is 55.

The spelling of 1420747226785 in words is "one trillion, four hundred twenty billion, seven hundred forty-seven million, two hundred twenty-six thousand, seven hundred eighty-five".