2136679 has 4 divisors (see below), whose sum is σ = 2262384. Its totient is φ = 2010976.

The previous prime is 2136661. The next prime is 2136707. The reversal of 2136679 is 9766312.

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 2136679 - 2¹³ = 2128487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136649) 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, 62827 + ... + 62860.

It is an arithmetic number, because the mean of its divisors is an integer number (565596).

2^2136679 is an apocalyptic number.

2136679 is a deficient number, since it is larger than the sum of its proper divisors (125705).

2136679 is a wasteful number, since it uses less digits than its factorization.

2136679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125704.

The product of its digits is 13608, while the sum is 34.

The square root of 2136679 is about 1461.7383486794. The cubic root of 2136679 is about 128.7991787494.

The spelling of 2136679 in words is "two million, one hundred thirty-six thousand, six hundred seventy-nine".