2140144429 has 2 divisors, whose sum is σ = 2140144430. Its totient is φ = 2140144428.

The previous prime is 2140144393. The next prime is 2140144453. The reversal of 2140144429 is 9244410412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716196329 + 423948100 = 41427^2 + 20590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140144429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2140144429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140144729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070072214 + 1070072215.

It is an arithmetic number, because the mean of its divisors is an integer number (1070072215).

Almost surely, 2^2140144429 is an apocalyptic number.

It is an amenable number.

2140144429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140144429 is an equidigital number, since it uses as much as digits as its factorization.

2140144429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2140144429 is about 46261.6950510895. The cubic root of 2140144429 is about 1288.6877324964.

The spelling of 2140144429 in words is "two billion, one hundred forty million, one hundred forty-four thousand, four hundred twenty-nine".