140421323304 has 96 divisors (see below), whose sum is σ = 395929235520. Its totient is φ = 46624813056.

The previous prime is 140421323291. The next prime is 140421323377. The reversal of 140421323304 is 403323124041.

140421323304 is a `hidden beast` number, since 1 + 4 + 0 + 421 + 3 + 233 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359077 + ... + 640139.

It is an arithmetic number, because the mean of its divisors is an integer number (4124262870).

Almost surely, 2^140421323304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140421323304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197964617760).

140421323304 is an abundant number, since it is smaller than the sum of its proper divisors (255507912216).

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

140421323304 is a wasteful number, since it uses less digits than its factorization.

140421323304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281341 (or 281325 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 140421323304 its reverse (403323124041), we get a palindrome (543744447345).

The spelling of 140421323304 in words is "one hundred forty billion, four hundred twenty-one million, three hundred twenty-three thousand, three hundred four".