118138205 has 8 divisors (see below), whose sum is σ = 142229472. Its totient is φ = 94201488.

The previous prime is 118138193. The next prime is 118138247. The reversal of 118138205 is 502831811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118138205 - 2¹⁰ = 118137181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36947 + ... + 40016.

It is an arithmetic number, because the mean of its divisors is an integer number (17778684).

Almost surely, 2^118138205 is an apocalyptic number.

It is an amenable number.

118138205 is a deficient number, since it is larger than the sum of its proper divisors (24091267).

118138205 is an equidigital number, since it uses as much as digits as its factorization.

118138205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77275.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 118138205 is about 10869.1400303796. The cubic root of 118138205 is about 490.6782292039.

The spelling of 118138205 in words is "one hundred eighteen million, one hundred thirty-eight thousand, two hundred five".