2144133887 has 8 divisors (see below), whose sum is σ = 2450918400. Its totient is φ = 1837469304.

The previous prime is 2144133883. The next prime is 2144133913. The reversal of 2144133887 is 7883314412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2144133887 - 2² = 2144133883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144133883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12314 + ... + 66632.

It is an arithmetic number, because the mean of its divisors is an integer number (306364800).

Almost surely, 2^2144133887 is an apocalyptic number.

2144133887 is a deficient number, since it is larger than the sum of its proper divisors (306784513).

2144133887 is an equidigital number, since it uses as much as digits as its factorization.

2144133887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59965.

The product of its digits is 129024, while the sum is 41.

The square root of 2144133887 is about 46304.7933479894. The cubic root of 2144133887 is about 1289.4879860148.

The spelling of 2144133887 in words is "two billion, one hundred forty-four million, one hundred thirty-three thousand, eight hundred eighty-seven".