140243222409 has 16 divisors (see below), whose sum is σ = 189899176512. Its totient is φ = 92046060288.

The previous prime is 140243222369. The next prime is 140243222417. The reversal of 140243222409 is 904222342041.

140243222409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140243222409 - 2⁷ = 140243222281 is a prime.

It is a super-2 number, since 2×140243222409² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140243222409.

It is not an unprimeable number, because it can be changed into a prime (140243222459) 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 15 ways as a sum of consecutive naturals, for example, 465564 + ... + 705149.

It is an arithmetic number, because the mean of its divisors is an integer number (11868698532).

Almost surely, 2^140243222409 is an apocalyptic number.

It is an amenable number.

140243222409 is a deficient number, since it is larger than the sum of its proper divisors (49655954103).

140243222409 is a wasteful number, since it uses less digits than its factorization.

140243222409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171336.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 140243222409 in words is "one hundred forty billion, two hundred forty-three million, two hundred twenty-two thousand, four hundred nine".