105256634 has 8 divisors (see below), whose sum is σ = 180439968. Its totient is φ = 45109980.

The previous prime is 105256633. The next prime is 105256643. The reversal of 105256634 is 436652501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105256634² = 22157918002019912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105256634.

It is not an unprimeable number, because it can be changed into a prime (105256633) 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, 3759152 + ... + 3759179.

It is an arithmetic number, because the mean of its divisors is an integer number (22554996).

Almost surely, 2^105256634 is an apocalyptic number.

105256634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105256634 is a deficient number, since it is larger than the sum of its proper divisors (75183334).

105256634 is an equidigital number, since it uses as much as digits as its factorization.

105256634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518340.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 105256634 is about 10259.4655806236. The cubic root of 105256634 is about 472.1534410877.

The spelling of 105256634 in words is "one hundred five million, two hundred fifty-six thousand, six hundred thirty-four".