118344139 has 8 divisors (see below), whose sum is σ = 119987280. Its totient is φ = 116706336.

The previous prime is 118344137. The next prime is 118344181. The reversal of 118344139 is 931443811.

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 118344139 - 2¹ = 118344137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118344137) 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, 65257 + ... + 67045.

It is an arithmetic number, because the mean of its divisors is an integer number (14998410).

Almost surely, 2^118344139 is an apocalyptic number.

118344139 is a deficient number, since it is larger than the sum of its proper divisors (1643141).

118344139 is an equidigital number, since it uses as much as digits as its factorization.

118344139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669.

The product of its digits is 10368, while the sum is 34.

The square root of 118344139 is about 10878.6092401557. The cubic root of 118344139 is about 490.9631742063.

The spelling of 118344139 in words is "one hundred eighteen million, three hundred forty-four thousand, one hundred thirty-nine".