199130901 has 32 divisors (see below), whose sum is σ = 278256000. Its totient is φ = 126593280.

The previous prime is 199130881. The next prime is 199130903. The reversal of 199130901 is 109031991.

It is not a de Polignac number, because 199130901 - 2¹⁰ = 199129877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199130903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1336375 + ... + 1336523.

It is an arithmetic number, because the mean of its divisors is an integer number (8695500).

Almost surely, 2^199130901 is an apocalyptic number.

It is an amenable number.

199130901 is a deficient number, since it is larger than the sum of its proper divisors (79125099).

199130901 is a wasteful number, since it uses less digits than its factorization.

199130901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 2187, while the sum is 33.

The square root of 199130901 is about 14111.3748798620. The cubic root of 199130901 is about 583.9552307036.

The spelling of 199130901 in words is "one hundred ninety-nine million, one hundred thirty thousand, nine hundred one".