2144137 has 2 divisors, whose sum is σ = 2144138. Its totient is φ = 2144136.

The previous prime is 2144123. The next prime is 2144143. The reversal of 2144137 is 7314412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 841 = 1464^2 + 29^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144137 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072068 + 1072069.

It is an arithmetic number, because the mean of its divisors is an integer number (1072069).

2^2144137 is an apocalyptic number.

It is an amenable number.

2144137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144137 is an equidigital number, since it uses as much as digits as its factorization.

2144137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 22.

The square root of 2144137 is about 1464.2871986055. The cubic root of 2144137 is about 128.9488610070.

Adding to 2144137 its reverse (7314412), we get a palindrome (9458549).

The spelling of 2144137 in words is "two million, one hundred forty-four thousand, one hundred thirty-seven".