106918239 has 4 divisors (see below), whose sum is σ = 142557656. Its totient is φ = 71278824.

The previous prime is 106918211. The next prime is 106918267. The reversal of 106918239 is 932819601.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (106918211) and next prime (106918267).

It is not a de Polignac number, because 106918239 - 2¹¹ = 106916191 is a prime.

It is a super-2 number, since 2×106918239² = 22863019661722242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106918197 and 106918206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106918439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17819704 + ... + 17819709.

It is an arithmetic number, because the mean of its divisors is an integer number (35639414).

Almost surely, 2^106918239 is an apocalyptic number.

106918239 is a deficient number, since it is larger than the sum of its proper divisors (35639417).

106918239 is an equidigital number, since it uses as much as digits as its factorization.

106918239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35639416.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 106918239 is about 10340.1276104311. The cubic root of 106918239 is about 474.6249878473.

The spelling of 106918239 in words is "one hundred six million, nine hundred eighteen thousand, two hundred thirty-nine".