13935143 has 2 divisors, whose sum is σ = 13935144. Its totient is φ = 13935142.

The previous prime is 13935137. The next prime is 13935161. The reversal of 13935143 is 34153931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13935143 - 2¹⁰ = 13934119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13935133) 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, 6967571 + 6967572.

It is an arithmetic number, because the mean of its divisors is an integer number (6967572).

Almost surely, 2^13935143 is an apocalyptic number.

13935143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13935143 is an equidigital number, since it uses as much as digits as its factorization.

13935143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 29.

The square root of 13935143 is about 3732.9804446313. The cubic root of 13935143 is about 240.6414726003.

The spelling of 13935143 in words is "thirteen million, nine hundred thirty-five thousand, one hundred forty-three".