1344262057 has 4 divisors (see below), whose sum is σ = 1353284100. Its totient is φ = 1335240016.

The previous prime is 1344262043. The next prime is 1344262061. The reversal of 1344262057 is 7502624431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7502624431 = 271 ⋅27684961.

It can be written as a sum of positive squares in 2 ways, for example, as 455566336 + 888695721 = 21344^2 + 29811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344262057 - 2⁷ = 1344261929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344262037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4510798 + ... + 4511095.

It is an arithmetic number, because the mean of its divisors is an integer number (338321025).

Almost surely, 2^1344262057 is an apocalyptic number.

It is an amenable number.

1344262057 is a deficient number, since it is larger than the sum of its proper divisors (9022043).

1344262057 is an equidigital number, since it uses as much as digits as its factorization.

1344262057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022042.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 1344262057 is about 36664.1794807957. The cubic root of 1344262057 is about 1103.6413916246.

Adding to 1344262057 its reverse (7502624431), we get a palindrome (8846886488).

The spelling of 1344262057 in words is "one billion, three hundred forty-four million, two hundred sixty-two thousand, fifty-seven".