106872139 has 8 divisors (see below), whose sum is σ = 116730432. Its totient is φ = 97037640.

The previous prime is 106872127. The next prime is 106872167. The reversal of 106872139 is 931278601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106872139 - 2¹¹ = 106870091 is a prime.

It is a super-2 number, since 2×106872139² = 22843308188870642, 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 = 106872098 and 106872107.

It is not an unprimeable number, because it can be changed into a prime (106872439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4212 + ... + 15214.

It is an arithmetic number, because the mean of its divisors is an integer number (14591304).

Almost surely, 2^106872139 is an apocalyptic number.

106872139 is a deficient number, since it is larger than the sum of its proper divisors (9858293).

106872139 is a wasteful number, since it uses less digits than its factorization.

106872139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11897.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 106872139 is about 10337.8981906382. The cubic root of 106872139 is about 474.5567632625.

The spelling of 106872139 in words is "one hundred six million, eight hundred seventy-two thousand, one hundred thirty-nine".