132910209 has 6 divisors (see below), whose sum is σ = 191981426. Its totient is φ = 88606800.

The previous prime is 132910207. The next prime is 132910223. The reversal of 132910209 is 902019231.

It can be written as a sum of positive squares in only one way, i.e., 132710400 + 199809 = 11520^2 + 447^2 .

It is not a de Polignac number, because 132910209 - 2¹ = 132910207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132910201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7383892 + ... + 7383909.

Almost surely, 2^132910209 is an apocalyptic number.

It is an amenable number.

132910209 is a deficient number, since it is larger than the sum of its proper divisors (59071217).

132910209 is a wasteful number, since it uses less digits than its factorization.

132910209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14767807 (or 14767804 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 132910209 is about 11528.6690038356. The cubic root of 132910209 is about 510.3319753246.

The spelling of 132910209 in words is "one hundred thirty-two million, nine hundred ten thousand, two hundred nine".