1421114340 has 96 divisors (see below), whose sum is σ = 4170329856. Its totient is φ = 360898560.

The previous prime is 1421114327. The next prime is 1421114341. The reversal of 1421114340 is 434111241.

It is not an unprimeable number, because it can be changed into a prime (1421114341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330444 + ... + 334716.

It is an arithmetic number, because the mean of its divisors is an integer number (43440936).

Almost surely, 2^1421114340 is an apocalyptic number.

1421114340 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 1421114340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2085164928).

1421114340 is an abundant number, since it is smaller than the sum of its proper divisors (2749215516).

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

1421114340 is a wasteful number, since it uses less digits than its factorization.

1421114340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1421114340 is about 37697.6702197894. The cubic root of 1421114340 is about 1124.2848036962.

Adding to 1421114340 its reverse (434111241), we get a palindrome (1855225581).

The spelling of 1421114340 in words is "one billion, four hundred twenty-one million, one hundred fourteen thousand, three hundred forty".