2135522013 has 8 divisors (see below), whose sum is σ = 2847730368. Its totient is φ = 1423497504.

The previous prime is 2135521957. The next prime is 2135522041. The reversal of 2135522013 is 3102255312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2135522013 - 2⁹ = 2135521501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135522093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16081 + ... + 67302.

It is an arithmetic number, because the mean of its divisors is an integer number (355966296).

Almost surely, 2^2135522013 is an apocalyptic number.

It is an amenable number.

2135522013 is a deficient number, since it is larger than the sum of its proper divisors (712208355).

2135522013 is an equidigital number, since it uses as much as digits as its factorization.

2135522013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91923.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2135522013 is about 46211.7086137269. The cubic root of 2135522013 is about 1287.7592679616.

Adding to 2135522013 its reverse (3102255312), we get a palindrome (5237777325).

The spelling of 2135522013 in words is "two billion, one hundred thirty-five million, five hundred twenty-two thousand, thirteen".