1421933900 has 18 divisors (see below), whose sum is σ = 3085596780. Its totient is φ = 568773520.

The previous prime is 1421933897. The next prime is 1421933921. The reversal of 1421933900 is 93391241.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7109570 + ... + 7109769.

Almost surely, 2^1421933900 is an apocalyptic number.

1421933900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421933900 is an abundant number, since it is smaller than the sum of its proper divisors (1663662880).

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

1421933900 is a wasteful number, since it uses less digits than its factorization.

1421933900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14219353 (or 14219346 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1421933900 is about 37708.5388208029. The cubic root of 1421933900 is about 1124.5008880642.

The spelling of 1421933900 in words is "one billion, four hundred twenty-one million, nine hundred thirty-three thousand, nine hundred".