199513105 has 16 divisors (see below), whose sum is σ = 276545664. Its totient is φ = 136564480.

The previous prime is 199513087. The next prime is 199513133. The reversal of 199513105 is 501315991.

It is not a de Polignac number, because 199513105 - 2¹³ = 199504913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105757 + ... + 107626.

It is an arithmetic number, because the mean of its divisors is an integer number (17284104).

Almost surely, 2^199513105 is an apocalyptic number.

It is an amenable number.

199513105 is a deficient number, since it is larger than the sum of its proper divisors (77032559).

199513105 is a wasteful number, since it uses less digits than its factorization.

199513105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213416.

The product of its (nonzero) digits is 6075, while the sum is 34.

The square root of 199513105 is about 14124.9107961785. The cubic root of 199513105 is about 584.3285988112.

The spelling of 199513105 in words is "one hundred ninety-nine million, five hundred thirteen thousand, one hundred five".