105136090669 has 4 divisors (see below), whose sum is σ = 105279523996. Its totient is φ = 104992657344.

The previous prime is 105136090603. The next prime is 105136090757. The reversal of 105136090669 is 966090631501.

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 76196977444 + 28939113225 = 276038^2 + 170115^2 .

It is a cyclic number.

It is not a de Polignac number, because 105136090669 - 2¹¹ = 105136088621 is a prime.

It is a super-2 number, since 2×105136090669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105136090069) 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, 71715564 + ... + 71717029.

It is an arithmetic number, because the mean of its divisors is an integer number (26319880999).

Almost surely, 2^105136090669 is an apocalyptic number.

It is an amenable number.

105136090669 is a deficient number, since it is larger than the sum of its proper divisors (143433327).

105136090669 is an equidigital number, since it uses as much as digits as its factorization.

105136090669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143433326.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 105136090669 in words is "one hundred five billion, one hundred thirty-six million, ninety thousand, six hundred sixty-nine".