2136999 has 8 divisors (see below), whose sum is σ = 2973312. Its totient is φ = 1362680.

The previous prime is 2136997. The next prime is 2137021. The reversal of 2136999 is 9996312.

It is a happy number.

2136999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2136999 - 2¹ = 2136997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15417 + ... + 15554.

It is an arithmetic number, because the mean of its divisors is an integer number (371664).

2^2136999 is an apocalyptic number.

2136999 is a deficient number, since it is larger than the sum of its proper divisors (836313).

2136999 is a wasteful number, since it uses less digits than its factorization.

2136999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30997.

The product of its digits is 26244, while the sum is 39.

The square root of 2136999 is about 1461.8478032955. The cubic root of 2136999 is about 128.8056083036.

It can be divided in two parts, 213699 and 9, that multiplied together give a palindrome (1923291).

The spelling of 2136999 in words is "two million, one hundred thirty-six thousand, nine hundred ninety-nine".