1421455336 has 32 divisors (see below), whose sum is σ = 3103453440. Its totient is φ = 597699648.

The previous prime is 1421455333. The next prime is 1421455351. The reversal of 1421455336 is 6335541241.

It is not an unprimeable number, because it can be changed into a prime (1421455331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236496 + ... + 242431.

It is an arithmetic number, because the mean of its divisors is an integer number (96982920).

Almost surely, 2^1421455336 is an apocalyptic number.

It is an amenable number.

1421455336 is an abundant number, since it is smaller than the sum of its proper divisors (1681998104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421455336 is a wasteful number, since it uses less digits than its factorization.

1421455336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478993 (or 478989 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 1421455336 is about 37702.1927213790. The cubic root of 1421455336 is about 1124.3747204492.

Adding to 1421455336 its reverse (6335541241), we get a palindrome (7756996577).

The spelling of 1421455336 in words is "one billion, four hundred twenty-one million, four hundred fifty-five thousand, three hundred thirty-six".