118513198 has 16 divisors (see below), whose sum is σ = 185729760. Its totient is φ = 56644000.

The previous prime is 118513159. The next prime is 118513229. The reversal of 118513198 is 891315811.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4258 + ... + 15973.

It is an arithmetic number, because the mean of its divisors is an integer number (11608110).

Almost surely, 2^118513198 is an apocalyptic number.

118513198 is a deficient number, since it is larger than the sum of its proper divisors (67216562).

118513198 is a wasteful number, since it uses less digits than its factorization.

118513198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20363.

The product of its digits is 8640, while the sum is 37.

The square root of 118513198 is about 10886.3767158775. The cubic root of 118513198 is about 491.1968493495.

The spelling of 118513198 in words is "one hundred eighteen million, five hundred thirteen thousand, one hundred ninety-eight".