2143240118 has 16 divisors (see below), whose sum is σ = 3319778304. Its totient is φ = 1036672680.

The previous prime is 2143240117. The next prime is 2143240241. The reversal of 2143240118 is 8110423412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143240111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244121 + ... + 252747.

It is an arithmetic number, because the mean of its divisors is an integer number (207486144).

Almost surely, 2^2143240118 is an apocalyptic number.

2143240118 is a deficient number, since it is larger than the sum of its proper divisors (1176538186).

2143240118 is a wasteful number, since it uses less digits than its factorization.

2143240118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12667.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2143240118 is about 46295.1414081435. The cubic root of 2143240118 is about 1289.3087894061.

The spelling of 2143240118 in words is "two billion, one hundred forty-three million, two hundred forty thousand, one hundred eighteen".