105740090 has 16 divisors (see below), whose sum is σ = 196895880. Its totient is φ = 40837440.

The previous prime is 105740071. The next prime is 105740093. The reversal of 105740090 is 90047501.

It is a Cunningham number, because it is equal to 10283²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 55457809 + 50282281 = 7447^2 + 7091^2 .

It is a super-2 number, since 2×105740090² = 22361933266416200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105740093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182021 + ... + 182600.

Almost surely, 2^105740090 is an apocalyptic number.

105740090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105740090 is a deficient number, since it is larger than the sum of its proper divisors (91155790).

105740090 is a wasteful number, since it uses less digits than its factorization.

105740090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364657.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 105740090 is about 10283.0000486239. Note that the first 4 decimals coincide. The cubic root of 105740090 is about 472.8752224177.

Adding to 105740090 its reverse (90047501), we get a palindrome (195787591).

The spelling of 105740090 in words is "one hundred five million, seven hundred forty thousand, ninety".