1389016283 has 4 divisors (see below), whose sum is σ = 1389476088. Its totient is φ = 1388556480.

The previous prime is 1389016243. The next prime is 1389016289. The reversal of 1389016283 is 3826109831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3826109831 = 3389 ⋅1128979.

It is a cyclic number.

It is not a de Polignac number, because 1389016283 - 2²² = 1384821979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1389016283.

It is not an unprimeable number, because it can be changed into a prime (1389016289) 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 3 ways as a sum of consecutive naturals, for example, 225341 + ... + 231422.

It is an arithmetic number, because the mean of its divisors is an integer number (347369022).

Almost surely, 2^1389016283 is an apocalyptic number.

1389016283 is a deficient number, since it is larger than the sum of its proper divisors (459805).

1389016283 is an equidigital number, since it uses as much as digits as its factorization.

1389016283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459804.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1389016283 is about 37269.5087571597. The cubic root of 1389016283 is about 1115.7556951536.

The spelling of 1389016283 in words is "one billion, three hundred eighty-nine million, sixteen thousand, two hundred eighty-three".