105540099 has 8 divisors (see below), whose sum is σ = 160823040. Its totient is φ = 60308616.

The previous prime is 105540053. The next prime is 105540101. The reversal of 105540099 is 990045501.

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

It is not a de Polignac number, because 105540099 - 2¹² = 105536003 is a prime.

It is a super-2 number, since 2×105540099² = 22277424993859602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105540499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2512839 + ... + 2512880.

It is an arithmetic number, because the mean of its divisors is an integer number (20102880).

Almost surely, 2^105540099 is an apocalyptic number.

105540099 is a deficient number, since it is larger than the sum of its proper divisors (55282941).

105540099 is an equidigital number, since it uses as much as digits as its factorization.

105540099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025729.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 105540099 is about 10273.2710954204. The cubic root of 105540099 is about 472.5769108586.

The spelling of 105540099 in words is "one hundred five million, five hundred forty thousand, ninety-nine".