105940142 has 16 divisors (see below), whose sum is σ = 198122112. Its totient is φ = 41275320.

The previous prime is 105940127. The next prime is 105940147. The reversal of 105940142 is 241049501.

It is a super-2 number, since 2×105940142² = 22446627373960328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105940147) 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 in 7 ways as a sum of consecutive naturals, for example, 343808 + ... + 344115.

It is an arithmetic number, because the mean of its divisors is an integer number (12382632).

Almost surely, 2^105940142 is an apocalyptic number.

105940142 is a deficient number, since it is larger than the sum of its proper divisors (92181970).

105940142 is a wasteful number, since it uses less digits than its factorization.

105940142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687943.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 105940142 is about 10292.7227690247. The cubic root of 105940142 is about 473.1732488908.

Adding to 105940142 its reverse (241049501), we get a palindrome (346989643).

The spelling of 105940142 in words is "one hundred five million, nine hundred forty thousand, one hundred forty-two".