239194149 has 4 divisors (see below), whose sum is σ = 318925536. Its totient is φ = 159462764.

The previous prime is 239194129. The next prime is 239194157. The reversal of 239194149 is 941491932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 239194149 - 2¹² = 239190053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 239194149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239194129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39865689 + ... + 39865694.

It is an arithmetic number, because the mean of its divisors is an integer number (79731384).

Almost surely, 2^239194149 is an apocalyptic number.

It is an amenable number.

239194149 is a deficient number, since it is larger than the sum of its proper divisors (79731387).

239194149 is an equidigital number, since it uses as much as digits as its factorization.

239194149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79731386.

The product of its digits is 69984, while the sum is 42.

The square root of 239194149 is about 15465.9027864525. The cubic root of 239194149 is about 620.7501750255.

The spelling of 239194149 in words is "two hundred thirty-nine million, one hundred ninety-four thousand, one hundred forty-nine".