118540383 has 16 divisors (see below), whose sum is σ = 173426400. Its totient is φ = 71570304.

The previous prime is 118540363. The next prime is 118540391. The reversal of 118540383 is 383045811.

It is not a de Polignac number, because 118540383 - 2⁶ = 118540319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118540363) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26608 + ... + 30741.

It is an arithmetic number, because the mean of its divisors is an integer number (10839150).

Almost surely, 2^118540383 is an apocalyptic number.

118540383 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

118540383 is a deficient number, since it is larger than the sum of its proper divisors (54886017).

118540383 is a wasteful number, since it uses less digits than its factorization.

118540383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57418.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 118540383 is about 10887.6252231605. The cubic root of 118540383 is about 491.2344040009.

The spelling of 118540383 in words is "one hundred eighteen million, five hundred forty thousand, three hundred eighty-three".