136612216 has 16 divisors (see below), whose sum is σ = 275851800. Its totient is φ = 63051744.

The previous prime is 136612193. The next prime is 136612219. The reversal of 136612216 is 612216631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136612219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656686 + ... + 656893.

Almost surely, 2^136612216 is an apocalyptic number.

It is an amenable number.

136612216 is an abundant number, since it is smaller than the sum of its proper divisors (139239584).

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

136612216 is a wasteful number, since it uses less digits than its factorization.

136612216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313598 (or 1313594 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 136612216 is about 11688.1228604083. The cubic root of 136612216 is about 515.0268198557.

Adding to 136612216 its reverse (612216631), we get a palindrome (748828847).

The spelling of 136612216 in words is "one hundred thirty-six million, six hundred twelve thousand, two hundred sixteen".