140021421199 has 4 divisors (see below), whose sum is σ = 152750641320. Its totient is φ = 127292201080.

The previous prime is 140021421157. The next prime is 140021421223. The reversal of 140021421199 is 991124120041.

140021421199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140021421199 - 2¹¹ = 140021419151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140021421299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6364610044 + ... + 6364610065.

It is an arithmetic number, because the mean of its divisors is an integer number (38187660330).

Almost surely, 2^140021421199 is an apocalyptic number.

140021421199 is a deficient number, since it is larger than the sum of its proper divisors (12729220121).

140021421199 is a wasteful number, since it uses less digits than its factorization.

140021421199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12729220120.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 140021421199 in words is "one hundred forty billion, twenty-one million, four hundred twenty-one thousand, one hundred ninety-nine".