105708538 has 16 divisors (see below), whose sum is σ = 176649480. Its totient is φ = 47105856.

The previous prime is 105708517. The next prime is 105708583. The reversal of 105708538 is 835807501.

It can be written as a sum of positive squares in 4 ways, for example, as 90003169 + 15705369 = 9487^2 + 3963^2 .

It is a super-2 number, since 2×105708538² = 22348590012194888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105708497 and 105708506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69345 + ... + 70852.

Almost surely, 2^105708538 is an apocalyptic number.

105708538 is a deficient number, since it is larger than the sum of its proper divisors (70940942).

105708538 is a wasteful number, since it uses less digits than its factorization.

105708538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140241.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 105708538 is about 10281.4657515356. The cubic root of 105708538 is about 472.8281836731.

The spelling of 105708538 in words is "one hundred five million, seven hundred eight thousand, five hundred thirty-eight".