1420705334 has 16 divisors (see below), whose sum is σ = 2260024416. Its totient is φ = 667497600.

The previous prime is 1420705301. The next prime is 1420705343. The reversal of 1420705334 is 4335070241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1420705297 and 1420705306.

It is a congruent 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, 11657 + ... + 54564.

It is an arithmetic number, because the mean of its divisors is an integer number (141251526).

Almost surely, 2^1420705334 is an apocalyptic number.

1420705334 is a deficient number, since it is larger than the sum of its proper divisors (839319082).

1420705334 is a wasteful number, since it uses less digits than its factorization.

1420705334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66871.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 1420705334 is about 37692.2450114079. The cubic root of 1420705334 is about 1124.1769345076.

Adding to 1420705334 its reverse (4335070241), we get a palindrome (5755775575).

The spelling of 1420705334 in words is "one billion, four hundred twenty million, seven hundred five thousand, three hundred thirty-four".