1344542307 has 4 divisors (see below), whose sum is σ = 1792723080. Its totient is φ = 896361536.

The previous prime is 1344542281. The next prime is 1344542351. The reversal of 1344542307 is 7032454431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1344542307 - 2⁷ = 1344542179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344542357) 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, 224090382 + ... + 224090387.

It is an arithmetic number, because the mean of its divisors is an integer number (448180770).

Almost surely, 2^1344542307 is an apocalyptic number.

1344542307 is a deficient number, since it is larger than the sum of its proper divisors (448180773).

1344542307 is an equidigital number, since it uses as much as digits as its factorization.

1344542307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448180772.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 1344542307 is about 36668.0011317770. The cubic root of 1344542307 is about 1103.7180815346.

Adding to 1344542307 its reverse (7032454431), we get a palindrome (8376996738).

The spelling of 1344542307 in words is "one billion, three hundred forty-four million, five hundred forty-two thousand, three hundred seven".