118916439 has 8 divisors (see below), whose sum is σ = 161928960. Its totient is φ = 77590776.

The previous prime is 118916437. The next prime is 118916449. The reversal of 118916439 is 934619811.

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

It is not a de Polignac number, because 118916439 - 2¹ = 118916437 is a prime.

It is a super-2 number, since 2×118916439² = 28282238928881442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118916439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118916431) 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, 421549 + ... + 421830.

It is an arithmetic number, because the mean of its divisors is an integer number (20241120).

Almost surely, 2^118916439 is an apocalyptic number.

118916439 is a deficient number, since it is larger than the sum of its proper divisors (43012521).

118916439 is an equidigital number, since it uses as much as digits as its factorization.

118916439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843429.

The product of its digits is 46656, while the sum is 42.

The square root of 118916439 is about 10904.8814298918. The cubic root of 118916439 is about 491.7533175760.

The spelling of 118916439 in words is "one hundred eighteen million, nine hundred sixteen thousand, four hundred thirty-nine".