14156609 has 2 divisors, whose sum is σ = 14156610. Its totient is φ = 14156608.

The previous prime is 14156599. The next prime is 14156633. The reversal of 14156609 is 90665141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8880400 + 5276209 = 2980^2 + 2297^2 .

It is a cyclic number.

It is not a de Polignac number, because 14156609 - 2¹⁶ = 14091073 is a prime.

It is not a weakly prime, because it can be changed into another prime (14156809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7078304 + 7078305.

It is an arithmetic number, because the mean of its divisors is an integer number (7078305).

Almost surely, 2^14156609 is an apocalyptic number.

It is an amenable number.

14156609 is a deficient number, since it is larger than the sum of its proper divisors (1).

14156609 is an equidigital number, since it uses as much as digits as its factorization.

14156609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 14156609 is about 3762.5269434251. The cubic root of 14156609 is about 241.9095864694.

The spelling of 14156609 in words is "fourteen million, one hundred fifty-six thousand, six hundred nine".