206144132 has 24 divisors (see below), whose sum is σ = 368934720. Its totient is φ = 100755360.

The previous prime is 206144123. The next prime is 206144137. The reversal of 206144132 is 231441602.

It is a junction number, because it is equal to n+sod(n) for n = 206144098 and 206144107.

It is not an unprimeable number, because it can be changed into a prime (206144137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38219 + ... + 43277.

It is an arithmetic number, because the mean of its divisors is an integer number (15372280).

Almost surely, 2^206144132 is an apocalyptic number.

It is an amenable number.

206144132 is a deficient number, since it is larger than the sum of its proper divisors (162790588).

206144132 is a wasteful number, since it uses less digits than its factorization.

206144132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291 (or 5289 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 206144132 is about 14357.7202925813. The cubic root of 206144132 is about 590.7317665465.

Adding to 206144132 its reverse (231441602), we get a palindrome (437585734).

The spelling of 206144132 in words is "two hundred six million, one hundred forty-four thousand, one hundred thirty-two".