1324144140 has 72 divisors (see below), whose sum is σ = 4075322160. Its totient is φ = 321002880.

The previous prime is 1324144121. The next prime is 1324144183. The reversal of 1324144140 is 414414231.

It is a self number, because there is not a number n which added to its sum of digits gives 1324144140.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83935 + ... + 98454.

Almost surely, 2^1324144140 is an apocalyptic number.

1324144140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324144140 is an abundant number, since it is smaller than the sum of its proper divisors (2751178020).

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

1324144140 is a wasteful number, since it uses less digits than its factorization.

1324144140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182423 (or 182410 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1324144140 is about 36388.7914061459. The cubic root of 1324144140 is about 1098.1080812383.

Adding to 1324144140 its reverse (414414231), we get a palindrome (1738558371).

The spelling of 1324144140 in words is "one billion, three hundred twenty-four million, one hundred forty-four thousand, one hundred forty".