118365438 has 16 divisors (see below), whose sum is σ = 237249936. Its totient is φ = 39368640.

The previous prime is 118365431. The next prime is 118365439. The reversal of 118365438 is 834563811.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 118365396 and 118365405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118365431) 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, 18631 + ... + 24162.

It is an arithmetic number, because the mean of its divisors is an integer number (14828121).

Almost surely, 2^118365438 is an apocalyptic number.

118365438 is an abundant number, since it is smaller than the sum of its proper divisors (118884498).

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

118365438 is a wasteful number, since it uses less digits than its factorization.

118365438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43259.

The product of its digits is 69120, while the sum is 39.

The square root of 118365438 is about 10879.5881355868. The cubic root of 118365438 is about 490.9926261573.

The spelling of 118365438 in words is "one hundred eighteen million, three hundred sixty-five thousand, four hundred thirty-eight".