118133917 has 4 divisors (see below), whose sum is σ = 128873376. Its totient is φ = 107394460.

The previous prime is 118133909. The next prime is 118133923. The reversal of 118133917 is 719331811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118133917 - 2³ = 118133909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118133947) 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 3 ways as a sum of consecutive naturals, for example, 5369713 + ... + 5369734.

It is an arithmetic number, because the mean of its divisors is an integer number (32218344).

Almost surely, 2^118133917 is an apocalyptic number.

It is an amenable number.

118133917 is a deficient number, since it is larger than the sum of its proper divisors (10739459).

118133917 is a wasteful number, since it uses less digits than its factorization.

118133917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739458.

The product of its digits is 4536, while the sum is 34.

The square root of 118133917 is about 10868.9427728735. The cubic root of 118133917 is about 490.6722925026.

The spelling of 118133917 in words is "one hundred eighteen million, one hundred thirty-three thousand, nine hundred seventeen".