1331335468 has 24 divisors (see below), whose sum is σ = 2344816880. Its totient is φ = 661400640.

The previous prime is 1331335403. The next prime is 1331335469. The reversal of 1331335468 is 8645331331.

It is not an unprimeable number, because it can be changed into a prime (1331335469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560323 + ... + 562693.

Almost surely, 2^1331335468 is an apocalyptic number.

It is an amenable number.

1331335468 is a deficient number, since it is larger than the sum of its proper divisors (1013481412).

1331335468 is a wasteful number, since it uses less digits than its factorization.

1331335468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3215 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 1331335468 is about 36487.4700136910. The cubic root of 1331335468 is about 1100.0924076639.

Adding to 1331335468 its reverse (8645331331), we get a palindrome (9976666799).

It can be divided in two parts, 133133 and 5468, that added together give a triangular number (138601 = T₅₂₆).

The spelling of 1331335468 in words is "one billion, three hundred thirty-one million, three hundred thirty-five thousand, four hundred sixty-eight".