210132109 has 12 divisors (see below), whose sum is σ = 231430108. Its totient is φ = 190650240.

The previous prime is 210132103. The next prime is 210132113. The reversal of 210132109 is 901231012.

It can be written as a sum of positive squares in 2 ways, for example, as 27071209 + 183060900 = 5203^2 + 13530^2 .

It is not a de Polignac number, because 210132109 - 2¹¹ = 210130061 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 (210132103) 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, 72757 + ... + 75589.

Almost surely, 2^210132109 is an apocalyptic number.

It is an amenable number.

210132109 is a deficient number, since it is larger than the sum of its proper divisors (21297999).

210132109 is a wasteful number, since it uses less digits than its factorization.

210132109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468 (or 3457 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 210132109 is about 14495.9342230848. The cubic root of 210132109 is about 594.5168113048.

The spelling of 210132109 in words is "two hundred ten million, one hundred thirty-two thousand, one hundred nine".