13142161 has 2 divisors, whose sum is σ = 13142162. Its totient is φ = 13142160.

The previous prime is 13142149. The next prime is 13142179. The reversal of 13142161 is 16124131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 497025 = 3556^2 + 705^2 .

It is an emirp because it is prime and its reverse (16124131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13142161 - 2¹³ = 13133969 is a prime.

It is not a weakly prime, because it can be changed into another prime (13142111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571080 + 6571081.

It is an arithmetic number, because the mean of its divisors is an integer number (6571081).

Almost surely, 2^13142161 is an apocalyptic number.

It is an amenable number.

13142161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13142161 is an equidigital number, since it uses as much as digits as its factorization.

13142161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

The square root of 13142161 is about 3625.2118558782. The cubic root of 13142161 is about 235.9874610306.

Adding to 13142161 its reverse (16124131), we get a palindrome (29266292).

The spelling of 13142161 in words is "thirteen million, one hundred forty-two thousand, one hundred sixty-one".