13842137 has 2 divisors, whose sum is σ = 13842138. Its totient is φ = 13842136.

The previous prime is 13842121. The next prime is 13842149. The reversal of 13842137 is 73124831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13039321 + 802816 = 3611^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 13842137 - 2⁴ = 13842121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13842197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6921068 + 6921069.

It is an arithmetic number, because the mean of its divisors is an integer number (6921069).

Almost surely, 2^13842137 is an apocalyptic number.

It is an amenable number.

13842137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13842137 is an equidigital number, since it uses as much as digits as its factorization.

13842137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 13842137 is about 3720.5022510408. The cubic root of 13842137 is about 240.1049136221.

Adding to 13842137 its reverse (73124831), we get a palindrome (86966968).

The spelling of 13842137 in words is "thirteen million, eight hundred forty-two thousand, one hundred thirty-seven".