105319139 has 12 divisors (see below), whose sum is σ = 110661936. Its totient is φ = 100224432.

The previous prime is 105319133. The next prime is 105319141. The reversal of 105319139 is 931913501.

It is a happy number.

It is not a de Polignac number, because 105319139 - 2²⁴ = 88541923 is a prime.

It is a super-2 number, since 2×105319139² = 22184242079402642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105319133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138749 + ... + 139505.

It is an arithmetic number, because the mean of its divisors is an integer number (9221828).

Almost surely, 2^105319139 is an apocalyptic number.

105319139 is a deficient number, since it is larger than the sum of its proper divisors (5342797).

105319139 is an equidigital number, since it uses as much as digits as its factorization.

105319139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 32.

The square root of 105319139 is about 10262.5113398232. The cubic root of 105319139 is about 472.2468828972.

The spelling of 105319139 in words is "one hundred five million, three hundred nineteen thousand, one hundred thirty-nine".