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134489 is a prime number
BaseRepresentation
bin100000110101011001
320211111002
4200311121
513300424
62514345
71100045
oct406531
9224432
10134489
1192053
12659b5
13492a4
1437025
1529cae
hex20d59

134489 has 2 divisors, whose sum is σ = 134490. Its totient is φ = 134488.

The previous prime is 134471. The next prime is 134503. The reversal of 134489 is 984431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126025 + 8464 = 355^2 + 92^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134489 is a prime.

It is a super-2 number, since 2×1344892 = 36174582242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (134089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67244 + 67245.

It is an arithmetic number, because the mean of its divisors is an integer number (67245).

2134489 is an apocalyptic number.

It is an amenable number.

134489 is a deficient number, since it is larger than the sum of its proper divisors (1).

134489 is an equidigital number, since it uses as much as digits as its factorization.

134489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 134489 is about 366.7274192094. The cubic root of 134489 is about 51.2344708056.

The spelling of 134489 in words is "one hundred thirty-four thousand, four hundred eighty-nine".