1420321413 has 16 divisors (see below), whose sum is σ = 2169962496. Its totient is φ = 809488560.

The previous prime is 1420321411. The next prime is 1420321439. The reversal of 1420321413 is 3141230241.

It is not a de Polignac number, because 1420321413 - 2¹ = 1420321411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1420321413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420321411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80253 + ... + 96338.

It is an arithmetic number, because the mean of its divisors is an integer number (135622656).

Almost surely, 2^1420321413 is an apocalyptic number.

It is an amenable number.

1420321413 is a deficient number, since it is larger than the sum of its proper divisors (749641083).

1420321413 is a wasteful number, since it uses less digits than its factorization.

1420321413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176984.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1420321413 is about 37687.1518292375. The cubic root of 1420321413 is about 1124.0756622720.

Adding to 1420321413 its reverse (3141230241), we get a palindrome (4561551654).

The spelling of 1420321413 in words is "one billion, four hundred twenty million, three hundred twenty-one thousand, four hundred thirteen".