105136057 has 4 divisors (see below), whose sum is σ = 113223460. Its totient is φ = 97048656.

The previous prime is 105136043. The next prime is 105136067. The reversal of 105136057 is 750631501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25765776 + 79370281 = 5076^2 + 8909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105136057 is a prime.

It is a super-2 number, since 2×105136057² = 22107180963014498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105136027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043682 + ... + 4043707.

It is an arithmetic number, because the mean of its divisors is an integer number (28305865).

Almost surely, 2^105136057 is an apocalyptic number.

It is an amenable number.

105136057 is a deficient number, since it is larger than the sum of its proper divisors (8087403).

105136057 is an equidigital number, since it uses as much as digits as its factorization.

105136057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087402.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 105136057 is about 10253.5875185225. The cubic root of 105136057 is about 471.9730800145.

Adding to 105136057 its reverse (750631501), we get a palindrome (855767558).

The spelling of 105136057 in words is "one hundred five million, one hundred thirty-six thousand, fifty-seven".