105136258 has 4 divisors (see below), whose sum is σ = 157704390. Its totient is φ = 52568128.

The previous prime is 105136219. The next prime is 105136261. The reversal of 105136258 is 852631501.

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

It can be written as a sum of positive squares in only one way, i.e., 99860049 + 5276209 = 9993^2 + 2297^2 .

It is a super-2 number, since 2×105136258² = 22107265492485128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26284063 + ... + 26284066.

Almost surely, 2^105136258 is an apocalyptic number.

105136258 is a deficient number, since it is larger than the sum of its proper divisors (52568132).

105136258 is an equidigital number, since it uses as much as digits as its factorization.

105136258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52568131.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 105136258 is about 10253.5973199653. The cubic root of 105136258 is about 471.9733807884.

Adding to 105136258 its reverse (852631501), we get a palindrome (957767759).

The spelling of 105136258 in words is "one hundred five million, one hundred thirty-six thousand, two hundred fifty-eight".