136590216 has 64 divisors (see below), whose sum is σ = 402862080. Its totient is φ = 37765440.

The previous prime is 136590211. The next prime is 136590239. The reversal of 136590216 is 612095631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (136590211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7906 + ... + 18321.

It is an arithmetic number, because the mean of its divisors is an integer number (6294720).

Almost surely, 2^136590216 is an apocalyptic number.

It is an amenable number.

136590216 is an abundant number, since it is smaller than the sum of its proper divisors (266271864).

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

136590216 is a wasteful number, since it uses less digits than its factorization.

136590216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26274 (or 26270 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 136590216 is about 11687.1816962003. The cubic root of 136590216 is about 514.9991717711. Note that the first 3 decimals are identical.

The spelling of 136590216 in words is "one hundred thirty-six million, five hundred ninety thousand, two hundred sixteen".