118399135 has 16 divisors (see below), whose sum is σ = 152992800. Its totient is φ = 87632896.

The previous prime is 118399133. The next prime is 118399139. The reversal of 118399135 is 531993811.

It is a cyclic number.

It is not a de Polignac number, because 118399135 - 2¹ = 118399133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118399133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6790 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (9562050).

Almost surely, 2^118399135 is an apocalyptic number.

118399135 is a deficient number, since it is larger than the sum of its proper divisors (34593665).

118399135 is a wasteful number, since it uses less digits than its factorization.

118399135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23690.

The product of its digits is 29160, while the sum is 40.

The square root of 118399135 is about 10881.1366593753. The cubic root of 118399135 is about 491.0392146689.

The spelling of 118399135 in words is "one hundred eighteen million, three hundred ninety-nine thousand, one hundred thirty-five".