216136276 has 12 divisors (see below), whose sum is σ = 378376180. Its totient is φ = 108028800.

The previous prime is 216136259. The next prime is 216136303. The reversal of 216136276 is 672631612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55860676 + 160275600 = 7474^2 + 12660^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5020 + ... + 21388.

Almost surely, 2^216136276 is an apocalyptic number.

It is an amenable number.

216136276 is a deficient number, since it is larger than the sum of its proper divisors (162239904).

216136276 is a wasteful number, since it uses less digits than its factorization.

216136276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19674 (or 19672 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 216136276 is about 14701.5739293451. The cubic root of 216136276 is about 600.1261549545.

Adding to 216136276 its reverse (672631612), we get a palindrome (888767888).

It can be divided in two parts, 21613 and 6276, that added together give a square (27889 = 167²).

The spelling of 216136276 in words is "two hundred sixteen million, one hundred thirty-six thousand, two hundred seventy-six".