8144137 has 2 divisors, whose sum is σ = 8144138. Its totient is φ = 8144136.

The previous prime is 8144111. The next prime is 8144161. The reversal of 8144137 is 7314418.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6130576 + 2013561 = 2476^2 + 1419^2 .

It is a cyclic number.

It is not a de Polignac number, because 8144137 - 2⁷ = 8144009 is a prime.

8144137 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8144167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4072068 + 4072069.

It is an arithmetic number, because the mean of its divisors is an integer number (4072069).

Almost surely, 2^8144137 is an apocalyptic number.

It is an amenable number.

8144137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8144137 is an equidigital number, since it uses as much as digits as its factorization.

8144137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 8144137 is about 2853.7934403176. The cubic root of 8144137 is about 201.1939993099.

It can be divided in two parts, 8144 and 137, that added together give a square (8281 = 91²).

The spelling of 8144137 in words is "eight million, one hundred forty-four thousand, one hundred thirty-seven".