2140144393 has 2 divisors, whose sum is σ = 2140144394. Its totient is φ = 2140144392.

The previous prime is 2140144367. The next prime is 2140144429. The reversal of 2140144393 is 3934410412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1324013769 + 816130624 = 36387^2 + 28568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140144393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140144333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070072196 + 1070072197.

It is an arithmetic number, because the mean of its divisors is an integer number (1070072197).

Almost surely, 2^2140144393 is an apocalyptic number.

It is an amenable number.

2140144393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140144393 is an equidigital number, since it uses as much as digits as its factorization.

2140144393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2140144393 is about 46261.6946619987. The cubic root of 2140144393 is about 1288.6877252706.

The spelling of 2140144393 in words is "two billion, one hundred forty million, one hundred forty-four thousand, three hundred ninety-three".