2135022143 has 4 divisors (see below), whose sum is σ = 2170022568. Its totient is φ = 2100021720.

The previous prime is 2135022139. The next prime is 2135022179. The reversal of 2135022143 is 3412205312.

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 2135022143 - 2² = 2135022139 is a prime.

It is a super-2 number, since 2×2135022143² = 9116639102200624898, 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 (2135022443) 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, 17500121 + ... + 17500242.

It is an arithmetic number, because the mean of its divisors is an integer number (542505642).

Almost surely, 2^2135022143 is an apocalyptic number.

2135022143 is a deficient number, since it is larger than the sum of its proper divisors (35000425).

2135022143 is an equidigital number, since it uses as much as digits as its factorization.

2135022143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35000424.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2135022143 is about 46206.2998193969. The cubic root of 2135022143 is about 1287.6587831694.

Adding to 2135022143 its reverse (3412205312), we get a palindrome (5547227455).

The spelling of 2135022143 in words is "two billion, one hundred thirty-five million, twenty-two thousand, one hundred forty-three".