105643134 has 48 divisors (see below), whose sum is σ = 243352512. Its totient is φ = 33007104.

The previous prime is 105643067. The next prime is 105643141. The reversal of 105643134 is 431346501.

105643134 is a `hidden beast` number, since 1 + 0 + 5 + 643 + 13 + 4 = 666.

It is a super-2 number, since 2×105643134² = 22320943522683912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105643098 and 105643107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95227 + ... + 96329.

It is an arithmetic number, because the mean of its divisors is an integer number (5069844).

Almost surely, 2^105643134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105643134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121676256).

105643134 is an abundant number, since it is smaller than the sum of its proper divisors (137709378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105643134 is a wasteful number, since it uses less digits than its factorization.

105643134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 105643134 is about 10278.2845845014. The cubic root of 105643134 is about 472.7306474499.

Adding to 105643134 its reverse (431346501), we get a palindrome (536989635).

The spelling of 105643134 in words is "one hundred five million, six hundred forty-three thousand, one hundred thirty-four".