1421103936 has 336 divisors, whose sum is σ = 4738055040. Its totient is φ = 367718400.

The previous prime is 1421103923. The next prime is 1421103941. The reversal of 1421103936 is 6393011241.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14070286 + ... + 14070386.

Almost surely, 2^1421103936 is an apocalyptic number.

1421103936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421103936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2369027520).

1421103936 is an abundant number, since it is smaller than the sum of its proper divisors (3316951104).

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

1421103936 is a wasteful number, since it uses less digits than its factorization.

1421103936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1421103936 is about 37697.5322269244. The cubic root of 1421103936 is about 1124.2820600540.

The spelling of 1421103936 in words is "one billion, four hundred twenty-one million, one hundred three thousand, nine hundred thirty-six".