118538705 has 8 divisors (see below), whose sum is σ = 150613992. Its totient is φ = 89252608.

The previous prime is 118538647. The next prime is 118538731. The reversal of 118538705 is 507835811.

It can be written as a sum of positive squares in 4 ways, for example, as 60031504 + 58507201 = 7748^2 + 7649^2 .

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 118538705 - 2⁸ = 118538449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697202 + ... + 697371.

It is an arithmetic number, because the mean of its divisors is an integer number (18826749).

Almost surely, 2^118538705 is an apocalyptic number.

It is an amenable number.

118538705 is a deficient number, since it is larger than the sum of its proper divisors (32075287).

118538705 is a wasteful number, since it uses less digits than its factorization.

118538705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394595.

The product of its (nonzero) digits is 33600, while the sum is 38.

The square root of 118538705 is about 10887.5481629245. The cubic root of 118538705 is about 491.2320860982.

The spelling of 118538705 in words is "one hundred eighteen million, five hundred thirty-eight thousand, seven hundred five".