140243101999 has 64 divisors (see below), whose sum is σ = 191135185920. Its totient is φ = 99363179520.

The previous prime is 140243101969. The next prime is 140243102017. The reversal of 140243101999 is 999101342041.

It is a happy number.

140243101999 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 140243101999 - 2⁷ = 140243101871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140243101969) 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 63 ways as a sum of consecutive naturals, for example, 24674812 + ... + 24680494.

It is an arithmetic number, because the mean of its divisors is an integer number (2986487280).

Almost surely, 2^140243101999 is an apocalyptic number.

140243101999 is a deficient number, since it is larger than the sum of its proper divisors (50892083921).

140243101999 is a wasteful number, since it uses less digits than its factorization.

140243101999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080.

The product of its (nonzero) digits is 69984, while the sum is 43.

It can be divided in two parts, 140243 and 101999, that added together give a palindrome (242242).

The spelling of 140243101999 in words is "one hundred forty billion, two hundred forty-three million, one hundred one thousand, nine hundred ninety-nine".