105138094 has 4 divisors (see below), whose sum is σ = 157707144. Its totient is φ = 52569046.

The previous prime is 105138091. The next prime is 105138109. The reversal of 105138094 is 490831501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 490831501 = 229 ⋅2143369.

It is a super-2 number, since 2×105138094² = 22108037619905672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105138091) 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 as a sum of consecutive naturals, namely, 26284522 + ... + 26284525.

It is an arithmetic number, because the mean of its divisors is an integer number (39426786).

Almost surely, 2^105138094 is an apocalyptic number.

105138094 is a deficient number, since it is larger than the sum of its proper divisors (52569050).

105138094 is an equidigital number, since it uses as much as digits as its factorization.

105138094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52569049.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 105138094 is about 10253.6868491290. The cubic root of 105138094 is about 471.9761281377.

Adding to 105138094 its reverse (490831501), we get a palindrome (595969595).

The spelling of 105138094 in words is "one hundred five million, one hundred thirty-eight thousand, ninety-four".