1489939144 has 16 divisors (see below), whose sum is σ = 2800094220. Its totient is φ = 743247360.

The previous prime is 1489939133. The next prime is 1489939181. The reversal of 1489939144 is 4419399841.

It can be written as a sum of positive squares in 2 ways, for example, as 1479940900 + 9998244 = 38470^2 + 3162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1489939091 and 1489939100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211597 + ... + 218524.

Almost surely, 2^1489939144 is an apocalyptic number.

It is an amenable number.

1489939144 is a deficient number, since it is larger than the sum of its proper divisors (1310155076).

1489939144 is a wasteful number, since it uses less digits than its factorization.

1489939144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430560 (or 430556 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 1489939144 is about 38599.7298436142. The cubic root of 1489939144 is about 1142.1492091798.

The spelling of 1489939144 in words is "one billion, four hundred eighty-nine million, nine hundred thirty-nine thousand, one hundred forty-four".