105140263 has 4 divisors (see below), whose sum is σ = 105611968. Its totient is φ = 104668560.

The previous prime is 105140261. The next prime is 105140297. The reversal of 105140263 is 362041501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105140263 - 2¹ = 105140261 is a prime.

It is a super-2 number, since 2×105140263² = 22108949807418338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105140261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235518 + ... + 235963.

It is an arithmetic number, because the mean of its divisors is an integer number (26402992).

Almost surely, 2^105140263 is an apocalyptic number.

105140263 is a deficient number, since it is larger than the sum of its proper divisors (471705).

105140263 is an equidigital number, since it uses as much as digits as its factorization.

105140263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471704.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 105140263 is about 10253.7926154180. The cubic root of 105140263 is about 471.9793737396.

Adding to 105140263 its reverse (362041501), we get a palindrome (467181764).

It can be divided in two parts, 1051 and 40263, that added together give a palindrome (41314).

The spelling of 105140263 in words is "one hundred five million, one hundred forty thousand, two hundred sixty-three".