2134187 has 4 divisors (see below), whose sum is σ = 2328216. Its totient is φ = 1940160.

The previous prime is 2134183. The next prime is 2134201. The reversal of 2134187 is 7814312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2134187 - 2² = 2134183 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2134183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96998 + ... + 97019.

It is an arithmetic number, because the mean of its divisors is an integer number (582054).

2^2134187 is an apocalyptic number.

2134187 is a deficient number, since it is larger than the sum of its proper divisors (194029).

2134187 is a wasteful number, since it uses less digits than its factorization.

2134187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194028.

The product of its digits is 1344, while the sum is 26.

The square root of 2134187 is about 1460.8856902578. The cubic root of 2134187 is about 128.7490866181.

Adding to 2134187 its reverse (7814312), we get a palindrome (9948499).

The spelling of 2134187 in words is "two million, one hundred thirty-four thousand, one hundred eighty-seven".