118439265 has 16 divisors (see below), whose sum is σ = 216574848. Its totient is φ = 54143616.

The previous prime is 118439227. The next prime is 118439281. The reversal of 118439265 is 562934811.

It is not a de Polignac number, because 118439265 - 2¹² = 118435169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563892 + ... + 564101.

It is an arithmetic number, because the mean of its divisors is an integer number (13535928).

Almost surely, 2^118439265 is an apocalyptic number.

118439265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118439265 is a deficient number, since it is larger than the sum of its proper divisors (98135583).

118439265 is a wasteful number, since it uses less digits than its factorization.

118439265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128008.

The product of its digits is 51840, while the sum is 39.

The square root of 118439265 is about 10882.9805200598. The cubic root of 118439265 is about 491.0946857324.

The spelling of 118439265 in words is "one hundred eighteen million, four hundred thirty-nine thousand, two hundred sixty-five".