2135769 has 4 divisors (see below), whose sum is σ = 2847696. Its totient is φ = 1423844.

The previous prime is 2135753. The next prime is 2135773. The reversal of 2135769 is 9675312.

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 2135769 - 2⁴ = 2135753 is a prime.

It is a super-2 number, since 2×2135769² = 9123018442722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 1 + 3¹³ + 5³ + 7⁵ + 6³ + 9 .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2135719) 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, 355959 + ... + 355964.

It is an arithmetic number, because the mean of its divisors is an integer number (711924).

2^2135769 is an apocalyptic number.

It is an amenable number.

2135769 is a deficient number, since it is larger than the sum of its proper divisors (711927).

2135769 is an equidigital number, since it uses as much as digits as its factorization.

2135769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711926.

The product of its digits is 11340, while the sum is 33.

The square root of 2135769 is about 1461.4270423117. The cubic root of 2135769 is about 128.7808911957.

The spelling of 2135769 in words is "two million, one hundred thirty-five thousand, seven hundred sixty-nine".