249134005 has 8 divisors (see below), whose sum is σ = 302745600. Its totient is φ = 196784016.

The previous prime is 249134003. The next prime is 249134021. The reversal of 249134005 is 500431942.

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 249134005 - 2¹ = 249134003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249134003) 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 7 ways as a sum of consecutive naturals, for example, 314965 + ... + 315754.

It is an arithmetic number, because the mean of its divisors is an integer number (37843200).

Almost surely, 2^249134005 is an apocalyptic number.

It is an amenable number.

249134005 is a deficient number, since it is larger than the sum of its proper divisors (53611595).

249134005 is an equidigital number, since it uses as much as digits as its factorization.

249134005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630803.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 249134005 is about 15783.9793778375. The cubic root of 249134005 is about 629.2322932193.

Adding to 249134005 its reverse (500431942), we get a palindrome (749565947).

The spelling of 249134005 in words is "two hundred forty-nine million, one hundred thirty-four thousand, five".