105265690 has 8 divisors (see below), whose sum is σ = 189478260. Its totient is φ = 42106272.

The previous prime is 105265619. The next prime is 105265709. The reversal of 105265690 is 96562501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98624761 + 6640929 = 9931^2 + 2577^2 .

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

It is a super-2 number, since 2×105265690² = 22161730982352200, which contains 22 as substring.

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, 5263275 + ... + 5263294.

Almost surely, 2^105265690 is an apocalyptic number.

105265690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105265690 is a deficient number, since it is larger than the sum of its proper divisors (84212570).

105265690 is a wasteful number, since it uses less digits than its factorization.

105265690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526576.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 105265690 is about 10259.9069196558. The cubic root of 105265690 is about 472.1669816402.

The spelling of 105265690 in words is "one hundred five million, two hundred sixty-five thousand, six hundred ninety".