1420421368 has 8 divisors (see below), whose sum is σ = 2663290080. Its totient is φ = 710210680.

The previous prime is 1420421329. The next prime is 1420421369. The reversal of 1420421368 is 8631240241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420421369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88776328 + ... + 88776343.

It is an arithmetic number, because the mean of its divisors is an integer number (332911260).

Almost surely, 2^1420421368 is an apocalyptic number.

It is an amenable number.

1420421368 is a deficient number, since it is larger than the sum of its proper divisors (1242868712).

1420421368 is a wasteful number, since it uses less digits than its factorization.

1420421368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177552677 (or 177552673 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1420421368 is about 37688.4779209774. The cubic root of 1420421368 is about 1124.1020305635.

The spelling of 1420421368 in words is "one billion, four hundred twenty million, four hundred twenty-one thousand, three hundred sixty-eight".