1489939133 has 2 divisors, whose sum is σ = 1489939134. Its totient is φ = 1489939132.

The previous prime is 1489939123. The next prime is 1489939181. The reversal of 1489939133 is 3319399841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1471259449 + 18679684 = 38357^2 + 4322^2 .

It is an emirp because it is prime and its reverse (3319399841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1489939133 - 2⁴ = 1489939117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1489939123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744969566 + 744969567.

It is an arithmetic number, because the mean of its divisors is an integer number (744969567).

Almost surely, 2^1489939133 is an apocalyptic number.

It is an amenable number.

1489939133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489939133 is an equidigital number, since it uses as much as digits as its factorization.

1489939133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 50.

The square root of 1489939133 is about 38599.7297011261. The cubic root of 1489939133 is about 1142.1492063690.

The spelling of 1489939133 in words is "one billion, four hundred eighty-nine million, nine hundred thirty-nine thousand, one hundred thirty-three".