118229636 has 24 divisors (see below), whose sum is σ = 244614720. Its totient is φ = 48922272.

The previous prime is 118229633. The next prime is 118229641. The reversal of 118229636 is 636922811.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 118229636.

It is not an unprimeable number, because it can be changed into a prime (118229633) 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, 71990 + ... + 73613.

It is an arithmetic number, because the mean of its divisors is an integer number (10192280).

Almost surely, 2^118229636 is an apocalyptic number.

It is an amenable number.

118229636 is an abundant number, since it is smaller than the sum of its proper divisors (126385084).

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

118229636 is a wasteful number, since it uses less digits than its factorization.

118229636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145643 (or 145641 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 118229636 is about 10873.3452074327. The cubic root of 118229636 is about 490.8047805101.

The spelling of 118229636 in words is "one hundred eighteen million, two hundred twenty-nine thousand, six hundred thirty-six".