1382981345 has 16 divisors (see below), whose sum is σ = 1703462400. Its totient is φ = 1077367104.

The previous prime is 1382981333. The next prime is 1382981363. The reversal of 1382981345 is 5431892831.

It is a cyclic number.

It is not a de Polignac number, because 1382981345 - 2¹⁰ = 1382980321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1382981296 and 1382981305.

It is an unprimeable number.

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, 31979 + ... + 61551.

It is an arithmetic number, because the mean of its divisors is an integer number (106466400).

Almost surely, 2^1382981345 is an apocalyptic number.

It is an amenable number.

1382981345 is a deficient number, since it is larger than the sum of its proper divisors (320481055).

1382981345 is a wasteful number, since it uses less digits than its factorization.

1382981345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29824.

The product of its digits is 207360, while the sum is 44.

The square root of 1382981345 is about 37188.4571473461. The cubic root of 1382981345 is about 1114.1374535334.

The spelling of 1382981345 in words is "one billion, three hundred eighty-two million, nine hundred eighty-one thousand, three hundred forty-five".