2135413985 has 8 divisors (see below), whose sum is σ = 2650858920. Its totient is φ = 1649423104.

The previous prime is 2135413981. The next prime is 2135414023. The reversal of 2135413985 is 5893145312.

It can be written as a sum of positive squares in 4 ways, for example, as 18309841 + 2117104144 = 4279^2 + 46012^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2135413985 - 2² = 2135413981 is a prime.

It is a super-3 number, since 3×2135413985³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2135413981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7363352 + ... + 7363641.

It is an arithmetic number, because the mean of its divisors is an integer number (331357365).

Almost surely, 2^2135413985 is an apocalyptic number.

It is an amenable number.

2135413985 is a deficient number, since it is larger than the sum of its proper divisors (515444935).

2135413985 is a wasteful number, since it uses less digits than its factorization.

2135413985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14727027.

The product of its digits is 129600, while the sum is 41.

The square root of 2135413985 is about 46210.5397609680. The cubic root of 2135413985 is about 1287.7375533015.

The spelling of 2135413985 in words is "two billion, one hundred thirty-five million, four hundred thirteen thousand, nine hundred eighty-five".