105140953 has 4 divisors (see below), whose sum is σ = 105173968. Its totient is φ = 105107940.

The previous prime is 105140947. The next prime is 105140957. The reversal of 105140953 is 359041501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105140953 is a prime.

It is a super-2 number, since 2×105140953² = 22109239995496418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105140957) 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, 11151 + ... + 18292.

It is an arithmetic number, because the mean of its divisors is an integer number (26293492).

Almost surely, 2^105140953 is an apocalyptic number.

It is an amenable number.

105140953 is a deficient number, since it is larger than the sum of its proper divisors (33015).

105140953 is an equidigital number, since it uses as much as digits as its factorization.

105140953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33014.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 105140953 is about 10253.8262614499. The cubic root of 105140953 is about 471.9804062177.

The spelling of 105140953 in words is "one hundred five million, one hundred forty thousand, nine hundred fifty-three".