106709539 has 4 divisors (see below), whose sum is σ = 106757280. Its totient is φ = 106661800.

The previous prime is 106709513. The next prime is 106709543. The reversal of 106709539 is 935907601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935907601 = 5857 ⋅159793.

It is a cyclic number.

It is not a de Polignac number, because 106709539 - 2²³ = 98320931 is a prime.

It is a super-2 number, since 2×106709539² = 22773851427185042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106709569) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20344 + ... + 25045.

It is an arithmetic number, because the mean of its divisors is an integer number (26689320).

Almost surely, 2^106709539 is an apocalyptic number.

106709539 is a deficient number, since it is larger than the sum of its proper divisors (47741).

106709539 is an equidigital number, since it uses as much as digits as its factorization.

106709539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47740.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 106709539 is about 10330.0309292857. The cubic root of 106709539 is about 474.3159705527.

The spelling of 106709539 in words is "one hundred six million, seven hundred nine thousand, five hundred thirty-nine".