3128134489 has 2 divisors, whose sum is σ = 3128134490. Its totient is φ = 3128134488.

The previous prime is 3128134463. The next prime is 3128134501. The reversal of 3128134489 is 9844318213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2559550464 + 568584025 = 50592^2 + 23845^2 .

It is a cyclic number.

It is not a de Polignac number, because 3128134489 - 2¹³ = 3128126297 is a prime.

It is a super-2 number, since 2×3128134489² = 19570450762542582242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3128134439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564067244 + 1564067245.

It is an arithmetic number, because the mean of its divisors is an integer number (1564067245).

Almost surely, 2^3128134489 is an apocalyptic number.

It is an amenable number.

3128134489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128134489 is an equidigital number, since it uses as much as digits as its factorization.

3128134489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 3128134489 is about 55929.7281327203. The cubic root of 3128134489 is about 1462.4975218406.

The spelling of 3128134489 in words is "three billion, one hundred twenty-eight million, one hundred thirty-four thousand, four hundred eighty-nine".