1330236144 has 120 divisors (see below), whose sum is σ = 3833942112. Its totient is φ = 430295040.

The previous prime is 1330236143. The next prime is 1330236197. The reversal of 1330236144 is 4416320331.

1330236144 is a `hidden beast` number, since 13 + 30 + 2 + 3 + 614 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330236143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375149 + ... + 1376115.

Almost surely, 2^1330236144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330236144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916971056).

1330236144 is an abundant number, since it is smaller than the sum of its proper divisors (2503705968).

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

1330236144 is a wasteful number, since it uses less digits than its factorization.

1330236144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1330236144 is about 36472.4024983274. The cubic root of 1330236144 is about 1099.7895310823.

Adding to 1330236144 its reverse (4416320331), we get a palindrome (5746556475).

The spelling of 1330236144 in words is "one billion, three hundred thirty million, two hundred thirty-six thousand, one hundred forty-four".