105439507 has 2 divisors, whose sum is σ = 105439508. Its totient is φ = 105439506.

The previous prime is 105439501. The next prime is 105439511. The reversal of 105439507 is 705934501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105439507 - 2¹¹ = 105437459 is a prime.

It is a super-2 number, since 2×105439507² = 22234979272806098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105439501) 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 as a sum of consecutive naturals, namely, 52719753 + 52719754.

It is an arithmetic number, because the mean of its divisors is an integer number (52719754).

Almost surely, 2^105439507 is an apocalyptic number.

105439507 is a deficient number, since it is larger than the sum of its proper divisors (1).

105439507 is an equidigital number, since it uses as much as digits as its factorization.

105439507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 105439507 is about 10268.3741166749. The cubic root of 105439507 is about 472.4267228638.

The spelling of 105439507 in words is "one hundred five million, four hundred thirty-nine thousand, five hundred seven".