141421400 has 96 divisors (see below), whose sum is σ = 349866000. Its totient is φ = 53061120.

The previous prime is 141421387. The next prime is 141421403. The reversal of 141421400 is 4124141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141421403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214271 + ... + 214929.

Almost surely, 2^141421400 is an apocalyptic number.

141421400 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 141421400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174933000).

141421400 is an abundant number, since it is smaller than the sum of its proper divisors (208444600).

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

141421400 is a wasteful number, since it uses less digits than its factorization.

141421400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 141421400 is about 11892.0729900215. The cubic root of 141421400 is about 521.0007846997. Note that the first 3 decimals are identical.

Adding to 141421400 its reverse (4124141), we get a palindrome (145545541).

The spelling of 141421400 in words is "one hundred forty-one million, four hundred twenty-one thousand, four hundred".