1421333356 has 12 divisors (see below), whose sum is σ = 2488222800. Its totient is φ = 710412560.

The previous prime is 1421333339. The next prime is 1421333357. The reversal of 1421333356 is 6533331241.

It is not an unprimeable number, because it can be changed into a prime (1421333357) 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, 50656 + ... + 73543.

It is an arithmetic number, because the mean of its divisors is an integer number (207351900).

Almost surely, 2^1421333356 is an apocalyptic number.

It is an amenable number.

1421333356 is a deficient number, since it is larger than the sum of its proper divisors (1066889444).

1421333356 is a wasteful number, since it uses less digits than its factorization.

1421333356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127064 (or 127062 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 1421333356 is about 37700.5750088775. The cubic root of 1421333356 is about 1124.3425573676.

Adding to 1421333356 its reverse (6533331241), we get a palindrome (7954664597).

The spelling of 1421333356 in words is "one billion, four hundred twenty-one million, three hundred thirty-three thousand, three hundred fifty-six".