1331405074 has 16 divisors (see below), whose sum is σ = 2004128280. Its totient is φ = 663367680.

The previous prime is 1331405041. The next prime is 1331405113. The reversal of 1331405074 is 4705041331.

It can be written as a sum of positive squares in 4 ways, for example, as 1312975225 + 18429849 = 36235^2 + 4293^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126764 + ... + 1127944.

Almost surely, 2^1331405074 is an apocalyptic number.

1331405074 is a deficient number, since it is larger than the sum of its proper divisors (672723206).

1331405074 is a wasteful number, since it uses less digits than its factorization.

1331405074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1331405074 is about 36488.4238355125. The cubic root of 1331405074 is about 1100.1115793151. Note that the first 3 decimals are identical.

The spelling of 1331405074 in words is "one billion, three hundred thirty-one million, four hundred five thousand, seventy-four".