1434421100 has 108 divisors (see below), whose sum is σ = 3681014400. Its totient is φ = 483638400.

The previous prime is 1434421081. The next prime is 1434421111. The reversal of 1434421100 is 11244341.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 296501 + ... + 301299.

Almost surely, 2^1434421100 is an apocalyptic number.

1434421100 is a gapful number since it is divisible by the number (10) 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 1434421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840507200).

1434421100 is an abundant number, since it is smaller than the sum of its proper divisors (2246593300).

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

1434421100 is a wasteful number, since it uses less digits than its factorization.

1434421100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888 (or 4874 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1434421100 is about 37873.7521246575. The cubic root of 1434421100 is about 1127.7830289974.

Adding to 1434421100 its reverse (11244341), we get a palindrome (1445665441).

The spelling of 1434421100 in words is "one billion, four hundred thirty-four million, four hundred twenty-one thousand, one hundred".