1420641349 has 8 divisors (see below), whose sum is σ = 1460672640. Its totient is φ = 1380866400.

The previous prime is 1420641323. The next prime is 1420641359. The reversal of 1420641349 is 9431460241.

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

It is a cyclic number.

It is not a de Polignac number, because 1420641349 - 2⁷ = 1420641221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420641319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52819 + ... + 75040.

It is an arithmetic number, because the mean of its divisors is an integer number (182584080).

Almost surely, 2^1420641349 is an apocalyptic number.

It is an amenable number.

1420641349 is a deficient number, since it is larger than the sum of its proper divisors (40031291).

1420641349 is a wasteful number, since it uses less digits than its factorization.

1420641349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128171.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1420641349 is about 37691.3962198271. The cubic root of 1420641349 is about 1124.1600575523.

It can be divided in two parts, 14206 and 41349, that added together give a palindrome (55555).

The spelling of 1420641349 in words is "one billion, four hundred twenty million, six hundred forty-one thousand, three hundred forty-nine".