1344243133 has 2 divisors, whose sum is σ = 1344243134. Its totient is φ = 1344243132.

The previous prime is 1344243101. The next prime is 1344243157. The reversal of 1344243133 is 3313424431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 956231929 + 388011204 = 30923^2 + 19698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344243133 - 2⁵ = 1344243101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344243163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672121566 + 672121567.

It is an arithmetic number, because the mean of its divisors is an integer number (672121567).

Almost surely, 2^1344243133 is an apocalyptic number.

It is an amenable number.

1344243133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344243133 is an equidigital number, since it uses as much as digits as its factorization.

1344243133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

The square root of 1344243133 is about 36663.9214078363. The cubic root of 1344243133 is about 1103.6362127218.

Adding to 1344243133 its reverse (3313424431), we get a palindrome (4657667564).

The spelling of 1344243133 in words is "one billion, three hundred forty-four million, two hundred forty-three thousand, one hundred thirty-three".