1344005142 has 16 divisors (see below), whose sum is σ = 2846128752. Its totient is φ = 421648640.

The previous prime is 1344005107. The next prime is 1344005149. The reversal of 1344005142 is 2415004431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344005149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6588159 + ... + 6588362.

It is an arithmetic number, because the mean of its divisors is an integer number (177883047).

Almost surely, 2^1344005142 is an apocalyptic number.

1344005142 is an abundant number, since it is smaller than the sum of its proper divisors (1502123610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344005142 is a wasteful number, since it uses less digits than its factorization.

1344005142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13176543.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1344005142 is about 36660.6756893541. The cubic root of 1344005142 is about 1103.5710779304.

Adding to 1344005142 its reverse (2415004431), we get a palindrome (3759009573).

The spelling of 1344005142 in words is "one billion, three hundred forty-four million, five thousand, one hundred forty-two".