209270014 has 4 divisors (see below), whose sum is σ = 313905024. Its totient is φ = 104635006.

The previous prime is 209269997. The next prime is 209270021. The reversal of 209270014 is 410072902.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52317502 + ... + 52317505.

It is an arithmetic number, because the mean of its divisors is an integer number (78476256).

Almost surely, 2^209270014 is an apocalyptic number.

209270014 is a deficient number, since it is larger than the sum of its proper divisors (104635010).

209270014 is a wasteful number, since it uses less digits than its factorization.

209270014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104635009.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 209270014 is about 14466.1679099892. The cubic root of 209270014 is about 593.7026687441.

The spelling of 209270014 in words is "two hundred nine million, two hundred seventy thousand, fourteen".