2134509 has 16 divisors (see below), whose sum is σ = 3091200. Its totient is φ = 1302336.

The previous prime is 2134507. The next prime is 2134519. The reversal of 2134509 is 9054312.

It is not a de Polignac number, because 2134509 - 2¹ = 2134507 is a prime.

It is a super-2 number, since 2×2134509² = 9112257342162, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8812 + ... + 9050.

It is an arithmetic number, because the mean of its divisors is an integer number (193200).

2^2134509 is an apocalyptic number.

It is an amenable number.

2134509 is a deficient number, since it is larger than the sum of its proper divisors (956691).

2134509 is a wasteful number, since it uses less digits than its factorization.

2134509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2134509 is about 1460.9958932180. The cubic root of 2134509 is about 128.7555613898.

The spelling of 2134509 in words is "two million, one hundred thirty-four thousand, five hundred nine".