199514739 has 4 divisors (see below), whose sum is σ = 266019656. Its totient is φ = 133009824.

The previous prime is 199514723. The next prime is 199514747. The reversal of 199514739 is 937415991.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 199514739 - 2⁴ = 199514723 is a prime.

It is a super-2 number, since 2×199514739² = 79612262156476242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199514759) 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, 33252454 + ... + 33252459.

It is an arithmetic number, because the mean of its divisors is an integer number (66504914).

Almost surely, 2^199514739 is an apocalyptic number.

199514739 is a deficient number, since it is larger than the sum of its proper divisors (66504917).

199514739 is an equidigital number, since it uses as much as digits as its factorization.

199514739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66504916.

The product of its digits is 306180, while the sum is 48.

The square root of 199514739 is about 14124.9686371333. The cubic root of 199514739 is about 584.3301940119.

The spelling of 199514739 in words is "one hundred ninety-nine million, five hundred fourteen thousand, seven hundred thirty-nine".