1420321351156 has 12 divisors (see below), whose sum is σ = 2616381436480. Its totient is φ = 672783797880.

The previous prime is 1420321351153. The next prime is 1420321351157. The reversal of 1420321351156 is 6511531230241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420321351153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9344219340 + ... + 9344219491.

Almost surely, 2^{1420321351156} is an apocalyptic number.

It is an amenable number.

1420321351156 is a deficient number, since it is larger than the sum of its proper divisors (1196060085324).

1420321351156 is a wasteful number, since it uses less digits than its factorization.

1420321351156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18688438854 (or 18688438852 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 1420321351156 its reverse (6511531230241), we get a palindrome (7931852581397).

The spelling of 1420321351156 in words is "one trillion, four hundred twenty billion, three hundred twenty-one million, three hundred fifty-one thousand, one hundred fifty-six".