1330847381 has 16 divisors (see below), whose sum is σ = 1462560000. Its totient is φ = 1206104256.

The previous prime is 1330847369. The next prime is 1330847383. The reversal of 1330847381 is 1837480331.

It is a cyclic number.

It is not a de Polignac number, because 1330847381 - 2¹⁰ = 1330846357 is a prime.

It is a super-2 number, since 2×1330847381² = 3542309503029118322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330847383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48980 + ... + 71138.

It is an arithmetic number, because the mean of its divisors is an integer number (91410000).

Almost surely, 2^1330847381 is an apocalyptic number.

It is an amenable number.

1330847381 is a deficient number, since it is larger than the sum of its proper divisors (131712619).

1330847381 is a wasteful number, since it uses less digits than its factorization.

1330847381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22316.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1330847381 is about 36480.7809812235. The cubic root of 1330847381 is about 1099.9579545913.

The spelling of 1330847381 in words is "one billion, three hundred thirty million, eight hundred forty-seven thousand, three hundred eighty-one".