1344023140 has 24 divisors (see below), whose sum is σ = 2970999360. Its totient is φ = 509313888.

The previous prime is 1344023137. The next prime is 1344023141. The reversal of 1344023140 is 413204431.

It is not an unprimeable number, because it can be changed into a prime (1344023141) 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 7 ways as a sum of consecutive naturals, for example, 1768072 + ... + 1768831.

It is an arithmetic number, because the mean of its divisors is an integer number (123791640).

Almost surely, 2^1344023140 is an apocalyptic number.

1344023140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344023140 is an abundant number, since it is smaller than the sum of its proper divisors (1626976220).

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

1344023140 is a wasteful number, since it uses less digits than its factorization.

1344023140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536931 (or 3536929 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1344023140 is about 36660.9211559121. The cubic root of 1344023140 is about 1103.5760039988.

Adding to 1344023140 its reverse (413204431), we get a palindrome (1757227571).

The spelling of 1344023140 in words is "one billion, three hundred forty-four million, twenty-three thousand, one hundred forty".