1481135668 has 12 divisors (see below), whose sum is σ = 2640893220. Its totient is φ = 726594752.

The previous prime is 1481135657. The next prime is 1481135681. The reversal of 1481135668 is 8665311841.

It can be written as a sum of positive squares in 2 ways, for example, as 1300179364 + 180956304 = 36058^2 + 13452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3493033 + ... + 3493456.

It is an arithmetic number, because the mean of its divisors is an integer number (220074435).

Almost surely, 2^1481135668 is an apocalyptic number.

It is an amenable number.

1481135668 is a deficient number, since it is larger than the sum of its proper divisors (1159757552).

1481135668 is a wasteful number, since it uses less digits than its factorization.

1481135668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986546 (or 6986544 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 1481135668 is about 38485.5254348956. The cubic root of 1481135668 is about 1139.8952576384.

The spelling of 1481135668 in words is "one billion, four hundred eighty-one million, one hundred thirty-five thousand, six hundred sixty-eight".