2028430135 has 4 divisors (see below), whose sum is σ = 2434116168. Its totient is φ = 1622744104.

The previous prime is 2028430127. The next prime is 2028430141. The reversal of 2028430135 is 5310348202.

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

It is a cyclic number.

It is not a de Polignac number, because 2028430135 - 2³ = 2028430127 is a prime.

It is a super-2 number, since 2×2028430135² = 8229057625152236450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202843009 + ... + 202843018.

It is an arithmetic number, because the mean of its divisors is an integer number (608529042).

Almost surely, 2^2028430135 is an apocalyptic number.

2028430135 is a deficient number, since it is larger than the sum of its proper divisors (405686033).

2028430135 is an equidigital number, since it uses as much as digits as its factorization.

2028430135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405686032.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2028430135 is about 45038.0964850869. The cubic root of 2028430135 is about 1265.8629376842.

Adding to 2028430135 its reverse (5310348202), we get a palindrome (7338778337).

The spelling of 2028430135 in words is "two billion, twenty-eight million, four hundred thirty thousand, one hundred thirty-five".