344040133 has 4 divisors (see below), whose sum is σ = 344283328. Its totient is φ = 343796940.

The previous prime is 344040127. The next prime is 344040149. The reversal of 344040133 is 331040443.

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, and also an emirpimes, since its reverse is a distinct semiprime: 331040443 = 37 ⋅8947039.

It is a cyclic number.

It is not a de Polignac number, because 344040133 - 2⁹ = 344039621 is a prime.

It is a super-2 number, since 2×344040133² = 236727226229315378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344040173) 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, 119463 + ... + 122308.

It is an arithmetic number, because the mean of its divisors is an integer number (86070832).

Almost surely, 2^344040133 is an apocalyptic number.

It is an amenable number.

344040133 is a deficient number, since it is larger than the sum of its proper divisors (243195).

344040133 is a wasteful number, since it uses less digits than its factorization.

344040133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243194.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 344040133 is about 18548.3188726095. The cubic root of 344040133 is about 700.7068594430.

Adding to 344040133 its reverse (331040443), we get a palindrome (675080576).

The spelling of 344040133 in words is "three hundred forty-four million, forty thousand, one hundred thirty-three".