2136285 has 24 divisors (see below), whose sum is σ = 3832920. Its totient is φ = 1099392.

The previous prime is 2136247. The next prime is 2136287. The reversal of 2136285 is 5826312.

It can be written as a sum of positive squares in 4 ways, for example, as 1764 + 2134521 = 42^2 + 1461^2 .

It is not a de Polignac number, because 2136285 - 2⁶ = 2136221 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 1 + 3⁵ + 6⁸ + 2¹⁶ + 8 + 5⁸ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (159705).

2^2136285 is an apocalyptic number.

It is an amenable number.

2136285 is a deficient number, since it is larger than the sum of its proper divisors (1696635).

2136285 is a wasteful number, since it uses less digits than its factorization.

2136285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1674 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2136285 is about 1461.6035714242. The cubic root of 2136285 is about 128.7912614791.

Adding to 2136285 its sum of digits (27), we get a palindrome (2136312).

The spelling of 2136285 in words is "two million, one hundred thirty-six thousand, two hundred eighty-five".