208436132 has 6 divisors (see below), whose sum is σ = 364763238. Its totient is φ = 104218064.

The previous prime is 208436119. The next prime is 208436141. The reversal of 208436132 is 231634802.

It can be written as a sum of positive squares in only one way, i.e., 140801956 + 67634176 = 11866^2 + 8224^2 .

It is a super-2 number, since 2×208436132² = 86891242246242848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 208436095 and 208436104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26054513 + ... + 26054520.

It is an arithmetic number, because the mean of its divisors is an integer number (60793873).

Almost surely, 2^208436132 is an apocalyptic number.

It is an amenable number.

208436132 is a deficient number, since it is larger than the sum of its proper divisors (156327106).

208436132 is a wasteful number, since it uses less digits than its factorization.

208436132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52109037 (or 52109035 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 208436132 is about 14437.3173408359. The cubic root of 208436132 is about 592.9130397524.

The spelling of 208436132 in words is "two hundred eight million, four hundred thirty-six thousand, one hundred thirty-two".