207098109 has 12 divisors (see below), whose sum is σ = 299312416. Its totient is φ = 137986632.

The previous prime is 207098069. The next prime is 207098113. The reversal of 207098109 is 901890702.

It is a happy number.

It is not a de Polignac number, because 207098109 - 2⁷ = 207097981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207098149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13224 + ... + 24270.

Almost surely, 2^207098109 is an apocalyptic number.

It is an amenable number.

207098109 is a deficient number, since it is larger than the sum of its proper divisors (92214307).

207098109 is a wasteful number, since it uses less digits than its factorization.

207098109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13136 (or 13133 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 207098109 is about 14390.9036894839. The cubic root of 207098109 is about 591.6416112470.

The spelling of 207098109 in words is "two hundred seven million, ninety-eight thousand, one hundred nine".