118909636 has 12 divisors (see below), whose sum is σ = 208480300. Its totient is φ = 59343840.

The previous prime is 118909633. The next prime is 118909643. The reversal of 118909636 is 636909811.

It can be written as a sum of positive squares in 2 ways, for example, as 42172036 + 76737600 = 6494^2 + 8760^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 118909592 and 118909601.

It is not an unprimeable number, because it can be changed into a prime (118909633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25311 + ... + 29638.

Almost surely, 2^118909636 is an apocalyptic number.

It is an amenable number.

118909636 is a deficient number, since it is larger than the sum of its proper divisors (89570664).

118909636 is a wasteful number, since it uses less digits than its factorization.

118909636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55494 (or 55492 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 118909636 is about 10904.5695009019. The cubic root of 118909636 is about 491.7439399501.

The spelling of 118909636 in words is "one hundred eighteen million, nine hundred nine thousand, six hundred thirty-six".