105538929 has 4 divisors (see below), whose sum is σ = 140718576. Its totient is φ = 70359284.

The previous prime is 105538913. The next prime is 105538933. The reversal of 105538929 is 929835501.

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 not a de Polignac number, because 105538929 - 2⁴ = 105538913 is a prime.

It is a super-2 number, since 2×105538929² = 22276931068934082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105538129) 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 3 ways as a sum of consecutive naturals, for example, 17589819 + ... + 17589824.

It is an arithmetic number, because the mean of its divisors is an integer number (35179644).

Almost surely, 2^105538929 is an apocalyptic number.

It is an amenable number.

105538929 is a deficient number, since it is larger than the sum of its proper divisors (35179647).

105538929 is an equidigital number, since it uses as much as digits as its factorization.

105538929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35179646.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 105538929 is about 10273.2141513744. The cubic root of 105538929 is about 472.5751645491.

The spelling of 105538929 in words is "one hundred five million, five hundred thirty-eight thousand, nine hundred twenty-nine".