2144120513 has 4 divisors (see below), whose sum is σ = 2237343168. Its totient is φ = 2050897860.

The previous prime is 2144120509. The next prime is 2144120527. The reversal of 2144120513 is 3150214412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2144120513 - 2² = 2144120509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 93222631 = 2144120513 / (2 + 1 + 4 + 4 + 1 + 2 + 0 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144120413) 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 3 ways as a sum of consecutive naturals, for example, 46611293 + ... + 46611338.

It is an arithmetic number, because the mean of its divisors is an integer number (559335792).

Almost surely, 2^2144120513 is an apocalyptic number.

2144120513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2144120513 is a deficient number, since it is larger than the sum of its proper divisors (93222655).

2144120513 is an equidigital number, since it uses as much as digits as its factorization.

2144120513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93222654.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2144120513 is about 46304.6489350691. The cubic root of 2144120513 is about 1289.4853049558.

Adding to 2144120513 its reverse (3150214412), we get a palindrome (5294334925).

The spelling of 2144120513 in words is "two billion, one hundred forty-four million, one hundred twenty thousand, five hundred thirteen".