14156861 has 2 divisors, whose sum is σ = 14156862. Its totient is φ = 14156860.

The previous prime is 14156839. The next prime is 14156893. The reversal of 14156861 is 16865141.

It is an a-pointer prime, because the next prime (14156893) can be obtained adding 14156861 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13645636 + 511225 = 3694^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 14156861 - 2⁶ = 14156797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14153861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7078430 + 7078431.

It is an arithmetic number, because the mean of its divisors is an integer number (7078431).

Almost surely, 2^14156861 is an apocalyptic number.

It is an amenable number.

14156861 is a deficient number, since it is larger than the sum of its proper divisors (1).

14156861 is an equidigital number, since it uses as much as digits as its factorization.

14156861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 14156861 is about 3762.5604314084. The cubic root of 14156861 is about 241.9110218615.

The spelling of 14156861 in words is "fourteen million, one hundred fifty-six thousand, eight hundred sixty-one".