105138070 has 8 divisors (see below), whose sum is σ = 189248544. Its totient is φ = 42055224.

The previous prime is 105138067. The next prime is 105138091. The reversal of 105138070 is 70831501.

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

It is a super-2 number, since 2×105138070² = 22108027526649800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5256894 + ... + 5256913.

It is an arithmetic number, because the mean of its divisors is an integer number (23656068).

Almost surely, 2^105138070 is an apocalyptic number.

105138070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105138070 is a deficient number, since it is larger than the sum of its proper divisors (84110474).

105138070 is a wasteful number, since it uses less digits than its factorization.

105138070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10513814.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 105138070 is about 10253.6856788181. The cubic root of 105138070 is about 471.9760922248.

Adding to 105138070 its reverse (70831501), we get a palindrome (175969571).

The spelling of 105138070 in words is "one hundred five million, one hundred thirty-eight thousand, seventy".