1383330865 has 16 divisors (see below), whose sum is σ = 1897748352. Its totient is φ = 948265344.

The previous prime is 1383330833. The next prime is 1383330869. The reversal of 1383330865 is 5680333831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1383330865 - 2⁵ = 1383330833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383330869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189157 + ... + 196333.

It is an arithmetic number, because the mean of its divisors is an integer number (118609272).

Almost surely, 2^1383330865 is an apocalyptic number.

It is an amenable number.

1383330865 is a deficient number, since it is larger than the sum of its proper divisors (514417487).

1383330865 is an equidigital number, since it uses as much as digits as its factorization.

1383330865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12696.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1383330865 is about 37193.1561580891. The cubic root of 1383330865 is about 1114.2313040454.

The spelling of 1383330865 in words is "one billion, three hundred eighty-three million, three hundred thirty thousand, eight hundred sixty-five".