4321002135 has 48 divisors (see below), whose sum is σ = 7400056320. Its totient is φ = 2152301760.

The previous prime is 4321002071. The next prime is 4321002139. The reversal of 4321002135 is 5312001234.

It is not a de Polignac number, because 4321002135 - 2⁶ = 4321002071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321002139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 378846 + ... + 390084.

It is an arithmetic number, because the mean of its divisors is an integer number (154167840).

Almost surely, 2^4321002135 is an apocalyptic number.

4321002135 is a deficient number, since it is larger than the sum of its proper divisors (3079054185).

4321002135 is a wasteful number, since it uses less digits than its factorization.

4321002135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11356 (or 11337 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4321002135 is about 65734.3299577930. The cubic root of 4321002135 is about 1628.7764960025.

Adding to 4321002135 its reverse (5312001234), we get a palindrome (9633003369).

Subtracting 4321002135 from its reverse (5312001234), we obtain a palindrome (990999099).

The spelling of 4321002135 in words is "four billion, three hundred twenty-one million, two thousand, one hundred thirty-five".