1420353505 has 8 divisors (see below), whose sum is σ = 1759405824. Its totient is φ = 1099628400.

The previous prime is 1420353469. The next prime is 1420353541. The reversal of 1420353505 is 5053530241.

It is an interprime number because it is at equal distance from previous prime (1420353469) and next prime (1420353541).

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

It is not a de Polignac number, because 1420353505 - 2¹⁹ = 1419829217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4581631 + ... + 4581940.

It is an arithmetic number, because the mean of its divisors is an integer number (219925728).

Almost surely, 2^1420353505 is an apocalyptic number.

It is an amenable number.

1420353505 is a deficient number, since it is larger than the sum of its proper divisors (339052319).

1420353505 is an equidigital number, since it uses as much as digits as its factorization.

1420353505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9163607.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1420353505 is about 37687.5775952767. The cubic root of 1420353505 is about 1124.0841283286.

Adding to 1420353505 its reverse (5053530241), we get a palindrome (6473883746).

The spelling of 1420353505 in words is "one billion, four hundred twenty million, three hundred fifty-three thousand, five hundred five".