209132159 has 2 divisors, whose sum is σ = 209132160. Its totient is φ = 209132158.

The previous prime is 209132153. The next prime is 209132173. The reversal of 209132159 is 951231902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 209132159 - 2¹⁶ = 209066623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (209132153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104566079 + 104566080.

It is an arithmetic number, because the mean of its divisors is an integer number (104566080).

Almost surely, 2^209132159 is an apocalyptic number.

209132159 is a deficient number, since it is larger than the sum of its proper divisors (1).

209132159 is an equidigital number, since it uses as much as digits as its factorization.

209132159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 209132159 is about 14461.4023870439. The cubic root of 209132159 is about 593.5722744305.

The spelling of 209132159 in words is "two hundred nine million, one hundred thirty-two thousand, one hundred fifty-nine".