209340014 has 16 divisors (see below), whose sum is σ = 346414320. Its totient is φ = 94261440.

The previous prime is 209339971. The next prime is 209340037. The reversal of 209340014 is 410043902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97124 + ... + 99255.

It is an arithmetic number, because the mean of its divisors is an integer number (21650895).

Almost surely, 2^209340014 is an apocalyptic number.

209340014 is a deficient number, since it is larger than the sum of its proper divisors (137074306).

209340014 is a wasteful number, since it uses less digits than its factorization.

209340014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196435.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 209340014 is about 14468.5871459517. The cubic root of 209340014 is about 593.7688584370.

Adding to 209340014 its reverse (410043902), we get a palindrome (619383916).

The spelling of 209340014 in words is "two hundred nine million, three hundred forty thousand, fourteen".