2136317 has 4 divisors (see below), whose sum is σ = 2147580. Its totient is φ = 2125056.

The previous prime is 2136313. The next prime is 2136347. The reversal of 2136317 is 7136312.

It is a happy number.

2136317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 1792921 = 586^2 + 1339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2136317 - 2² = 2136313 is a prime.

It is a super-4 number, since 4×2136317⁴ (a number of 26 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2136292 and 2136301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136311) 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 3 ways as a sum of consecutive naturals, for example, 5342 + ... + 5727.

It is an arithmetic number, because the mean of its divisors is an integer number (536895).

2^2136317 is an apocalyptic number.

It is an amenable number.

2136317 is a deficient number, since it is larger than the sum of its proper divisors (11263).

2136317 is a wasteful number, since it uses less digits than its factorization.

2136317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11262.

The product of its digits is 756, while the sum is 23.

The square root of 2136317 is about 1461.6145182640. The cubic root of 2136317 is about 128.7919045424.

The spelling of 2136317 in words is "two million, one hundred thirty-six thousand, three hundred seventeen".