118542135 has 8 divisors (see below), whose sum is σ = 189667440. Its totient is φ = 63222464.

The previous prime is 118542133. The next prime is 118542157. The reversal of 118542135 is 531245811.

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 118542135 - 2¹ = 118542133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118542133) 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, 3951390 + ... + 3951419.

It is an arithmetic number, because the mean of its divisors is an integer number (23708430).

Almost surely, 2^118542135 is an apocalyptic number.

118542135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118542135 is a deficient number, since it is larger than the sum of its proper divisors (71125305).

118542135 is an equidigital number, since it uses as much as digits as its factorization.

118542135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902817.

The product of its digits is 4800, while the sum is 30.

The square root of 118542135 is about 10887.7056811800. The cubic root of 118542135 is about 491.2368241000.

Adding to 118542135 its reverse (531245811), we get a palindrome (649787946).

The spelling of 118542135 in words is "one hundred eighteen million, five hundred forty-two thousand, one hundred thirty-five".