199513106 has 8 divisors (see below), whose sum is σ = 322290444. Its totient is φ = 92082960.

The previous prime is 199513087. The next prime is 199513133. The reversal of 199513106 is 601315991.

It can be written as a sum of positive squares in 2 ways, for example, as 168766081 + 30747025 = 12991^2 + 5545^2 .

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

It is a Curzon number.

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, 3836765 + ... + 3836816.

Almost surely, 2^199513106 is an apocalyptic number.

199513106 is a deficient number, since it is larger than the sum of its proper divisors (122777338).

199513106 is a wasteful number, since it uses less digits than its factorization.

199513106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673596.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 199513106 is about 14124.9108315770. The cubic root of 199513106 is about 584.3285997875.

The spelling of 199513106 in words is "one hundred ninety-nine million, five hundred thirteen thousand, one hundred six".