2134709 has 2 divisors, whose sum is σ = 2134710. Its totient is φ = 2134708.

The previous prime is 2134703. The next prime is 2134721. The reversal of 2134709 is 9074312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1716100 + 418609 = 1310^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134709 - 2¹² = 2130613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067354 + 1067355.

It is an arithmetic number, because the mean of its divisors is an integer number (1067355).

2^2134709 is an apocalyptic number.

It is an amenable number.

2134709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134709 is an equidigital number, since it uses as much as digits as its factorization.

2134709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2134709 is about 1461.0643380769. The cubic root of 2134709 is about 128.7595826594.

The spelling of 2134709 in words is "two million, one hundred thirty-four thousand, seven hundred nine".