106852139 has 2 divisors, whose sum is σ = 106852140. Its totient is φ = 106852138.

The previous prime is 106852121. The next prime is 106852171. The reversal of 106852139 is 931258601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106852139 - 2⁸ = 106851883 is a prime.

It is a super-2 number, since 2×106852139² = 22834759217750642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 106852099 and 106852108.

It is not a weakly prime, because it can be changed into another prime (106852199) 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 as a sum of consecutive naturals, namely, 53426069 + 53426070.

It is an arithmetic number, because the mean of its divisors is an integer number (53426070).

Almost surely, 2^106852139 is an apocalyptic number.

106852139 is a deficient number, since it is larger than the sum of its proper divisors (1).

106852139 is an equidigital number, since it uses as much as digits as its factorization.

106852139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 106852139 is about 10336.9308307640. The cubic root of 106852139 is about 474.5271586419.

The spelling of 106852139 in words is "one hundred six million, eight hundred fifty-two thousand, one hundred thirty-nine".