140221351400 has 96 divisors (see below), whose sum is σ = 362418470400. Its totient is φ = 50103878400.

The previous prime is 140221351399. The next prime is 140221351421. The reversal of 140221351400 is 4153122041.

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, 789260 + ... + 950459.

It is an arithmetic number, because the mean of its divisors is an integer number (3775192400).

Almost surely, 2^140221351400 is an apocalyptic number.

140221351400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140221351400 is an abundant number, since it is smaller than the sum of its proper divisors (222197119000).

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

140221351400 is a wasteful number, since it uses less digits than its factorization.

140221351400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739779 (or 1739770 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 140221351400 its reverse (4153122041), we get a palindrome (144374473441).

The spelling of 140221351400 in words is "one hundred forty billion, two hundred twenty-one million, three hundred fifty-one thousand, four hundred".