209134032 has 40 divisors (see below), whose sum is σ = 563755584. Its totient is φ = 66680064.

The previous prime is 209134031. The next prime is 209134039. The reversal of 209134032 is 230431902.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 209133993 and 209134011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209134031) 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 7 ways as a sum of consecutive naturals, for example, 93613 + ... + 95820.

Almost surely, 2^209134032 is an apocalyptic number.

It is an amenable number.

209134032 is an abundant number, since it is smaller than the sum of its proper divisors (354621552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209134032 is a wasteful number, since it uses less digits than its factorization.

209134032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189467 (or 189461 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 209134032 is about 14461.4671454870. The cubic root of 209134032 is about 593.5740464480.

Adding to 209134032 its reverse (230431902), we get a palindrome (439565934).

The spelling of 209134032 in words is "two hundred nine million, one hundred thirty-four thousand, thirty-two".