2135567 has 12 divisors (see below), whose sum is σ = 2547216. Its totient is φ = 1784160.

The previous prime is 2135563. The next prime is 2135597. The reversal of 2135567 is 7655312.

It is not a de Polignac number, because 2135567 - 2² = 2135563 is a prime.

It is a super-2 number, since 2×2135567² = 9121292822978, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2¹⁷ + 1 + 3⁷ + 5³ + 5⁹ + 6⁶ + 7⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1478 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (212268).

2^2135567 is an apocalyptic number.

2135567 is a deficient number, since it is larger than the sum of its proper divisors (411649).

2135567 is a wasteful number, since it uses less digits than its factorization.

2135567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1111 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 2135567 is about 1461.3579301458. The cubic root of 2135567 is about 128.7768310562.

The spelling of 2135567 in words is "two million, one hundred thirty-five thousand, five hundred sixty-seven".