109118133 has 12 divisors (see below), whose sum is σ = 161281120. Its totient is φ = 71053416.

The previous prime is 109118131. The next prime is 109118173. The reversal of 109118133 is 331811901.

It is a happy number.

It is not a de Polignac number, because 109118133 - 2¹ = 109118131 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 109118097 and 109118106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109118131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140593 + ... + 141366.

Almost surely, 2^109118133 is an apocalyptic number.

It is an amenable number.

109118133 is a deficient number, since it is larger than the sum of its proper divisors (52162987).

109118133 is a wasteful number, since it uses less digits than its factorization.

109118133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282008 (or 282005 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 109118133 is about 10445.9625214721. The cubic root of 109118133 is about 477.8581259358.

It can be divided in two parts, 10911 and 8133, that added together give a square (19044 = 138²).

The spelling of 109118133 in words is "one hundred nine million, one hundred eighteen thousand, one hundred thirty-three".