14154109 has 2 divisors, whose sum is σ = 14154110. Its totient is φ = 14154108.

The previous prime is 14154103. The next prime is 14154113. The reversal of 14154109 is 90145141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10582009 + 3572100 = 3253^2 + 1890^2 .

It is a cyclic number.

It is not a de Polignac number, because 14154109 - 2⁷ = 14153981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14154103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7077054 + 7077055.

It is an arithmetic number, because the mean of its divisors is an integer number (7077055).

Almost surely, 2^14154109 is an apocalyptic number.

It is an amenable number.

14154109 is a deficient number, since it is larger than the sum of its proper divisors (1).

14154109 is an equidigital number, since it uses as much as digits as its factorization.

14154109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 14154109 is about 3762.1947052219. The cubic root of 14154109 is about 241.8953455456.

The spelling of 14154109 in words is "fourteen million, one hundred fifty-four thousand, one hundred nine".