199381503 has 8 divisors (see below), whose sum is σ = 277400448. Its totient is φ = 127141784.

The previous prime is 199381451. The next prime is 199381513. The reversal of 199381503 is 305183991.

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

It is a cyclic number.

It is not a de Polignac number, because 199381503 - 2⁶ = 199381439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199381513) 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, 1444725 + ... + 1444862.

It is an arithmetic number, because the mean of its divisors is an integer number (34675056).

Almost surely, 2^199381503 is an apocalyptic number.

199381503 is a deficient number, since it is larger than the sum of its proper divisors (78018945).

199381503 is a wasteful number, since it uses less digits than its factorization.

199381503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889613.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 199381503 is about 14120.2515204227. The cubic root of 199381503 is about 584.2000930900.

The spelling of 199381503 in words is "one hundred ninety-nine million, three hundred eighty-one thousand, five hundred three".