1044340133 has 4 divisors (see below), whose sum is σ = 1072565580. Its totient is φ = 1016114688.

The previous prime is 1044340123. The next prime is 1044340159. The reversal of 1044340133 is 3310434401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3310434401 = 9601 ⋅344801.

It can be written as a sum of positive squares in 2 ways, for example, as 760821889 + 283518244 = 27583^2 + 16838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044340133 - 2¹⁸ = 1044077989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1044340099 and 1044340108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044340103) 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, 14112668 + ... + 14112741.

It is an arithmetic number, because the mean of its divisors is an integer number (268141395).

Almost surely, 2^1044340133 is an apocalyptic number.

It is an amenable number.

1044340133 is a deficient number, since it is larger than the sum of its proper divisors (28225447).

1044340133 is an equidigital number, since it uses as much as digits as its factorization.

1044340133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28225446.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1044340133 is about 32316.2518402119. The cubic root of 1044340133 is about 1014.5668217160.

Adding to 1044340133 its reverse (3310434401), we get a palindrome (4354774534).

The spelling of 1044340133 in words is "one billion, forty-four million, three hundred forty thousand, one hundred thirty-three".