2135269 has 4 divisors (see below), whose sum is σ = 2171520. Its totient is φ = 2099020.

The previous prime is 2135267. The next prime is 2135279. The reversal of 2135269 is 9625312.

2135269 = T₂₃₉ + T₂₄₀ + ... + T₂₉₇.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2135269 - 2¹ = 2135267 is a prime.

It is a super-2 number, since 2×2135269² = 9118747404722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135267) 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, 18037 + ... + 18154.

It is an arithmetic number, because the mean of its divisors is an integer number (542880).

2^2135269 is an apocalyptic number.

It is an amenable number.

2135269 is a deficient number, since it is larger than the sum of its proper divisors (36251).

2135269 is an equidigital number, since it uses as much as digits as its factorization.

2135269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36250.

The product of its digits is 3240, while the sum is 28.

The square root of 2135269 is about 1461.2559666260. The cubic root of 2135269 is about 128.7708408780.

The spelling of 2135269 in words is "two million, one hundred thirty-five thousand, two hundred sixty-nine".