199364507 has 4 divisors (see below), whose sum is σ = 199465656. Its totient is φ = 199263360.

The previous prime is 199364489. The next prime is 199364519. The reversal of 199364507 is 705463991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705463991 = 22619 ⋅31189.

It is a cyclic number.

It is not a de Polignac number, because 199364507 - 2⁶ = 199364443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199364527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47558 + ... + 51579.

It is an arithmetic number, because the mean of its divisors is an integer number (49866414).

Almost surely, 2^199364507 is an apocalyptic number.

199364507 is a deficient number, since it is larger than the sum of its proper divisors (101149).

199364507 is an equidigital number, since it uses as much as digits as its factorization.

199364507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101148.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 199364507 is about 14119.6496769573. The cubic root of 199364507 is about 584.1834928425.

The spelling of 199364507 in words is "one hundred ninety-nine million, three hundred sixty-four thousand, five hundred seven".