1331414144 has 16 divisors (see below), whose sum is σ = 2652426870. Its totient is φ = 665707008.

The previous prime is 1331414137. The next prime is 1331414209. The reversal of 1331414144 is 4414141331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1331374144 + 40000 = 36488^2 + 200^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200709 + ... + 5200964.

Almost surely, 2^1331414144 is an apocalyptic number.

It is an amenable number.

1331414144 is a deficient number, since it is larger than the sum of its proper divisors (1321012726).

1331414144 is an equidigital number, since it uses as much as digits as its factorization.

1331414144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10401687 (or 10401675 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 1331414144 is about 36488.5481212942. The cubic root of 1331414144 is about 1100.1140774252.

Adding to 1331414144 its reverse (4414141331), we get a palindrome (5745555475).

The spelling of 1331414144 in words is "one billion, three hundred thirty-one million, four hundred fourteen thousand, one hundred forty-four".