13943141 has 2 divisors, whose sum is σ = 13943142. Its totient is φ = 13943140.

The previous prime is 13943107. The next prime is 13943143. The reversal of 13943141 is 14134931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9740641 + 4202500 = 3121^2 + 2050^2 .

It is an emirp because it is prime and its reverse (14134931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13943141 is a prime.

It is a super-2 number, since 2×13943141² = 388822361891762, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 13943143, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13943141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13943143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6971570 + 6971571.

It is an arithmetic number, because the mean of its divisors is an integer number (6971571).

Almost surely, 2^13943141 is an apocalyptic number.

It is an amenable number.

13943141 is a deficient number, since it is larger than the sum of its proper divisors (1).

13943141 is an equidigital number, since it uses as much as digits as its factorization.

13943141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 13943141 is about 3734.0515529382. The cubic root of 13943141 is about 240.6875020861.

The spelling of 13943141 in words is "thirteen million, nine hundred forty-three thousand, one hundred forty-one".