140421300 has 36 divisors (see below), whose sum is σ = 406286496. Its totient is φ = 37445600.

The previous prime is 140421293. The next prime is 140421311. The reversal of 140421300 is 3124041.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 140421300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233736 + ... + 234335.

It is an arithmetic number, because the mean of its divisors is an integer number (11285736).

Almost surely, 2^140421300 is an apocalyptic number.

140421300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140421300 is an abundant number, since it is smaller than the sum of its proper divisors (265865196).

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

140421300 is a wasteful number, since it uses less digits than its factorization.

140421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468088 (or 468081 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140421300 is about 11849.9493669804. The cubic root of 140421300 is about 519.7697451988.

Adding to 140421300 its reverse (3124041), we get a palindrome (143545341).

The spelling of 140421300 in words is "one hundred forty million, four hundred twenty-one thousand, three hundred".