3135634385 has 24 divisors (see below), whose sum is σ = 4093587960. Its totient is φ = 2292134400.

The previous prime is 3135634379. The next prime is 3135634399. The reversal of 3135634385 is 5834365313.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 461089729 + 2674544656 = 21473^2 + 51716^2 .

It is not a de Polignac number, because 3135634385 - 2²⁰ = 3134585809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 660701 + ... + 665429.

It is an arithmetic number, because the mean of its divisors is an integer number (170566165).

Almost surely, 2^3135634385 is an apocalyptic number.

It is an amenable number.

3135634385 is a deficient number, since it is larger than the sum of its proper divisors (957953575).

3135634385 is a wasteful number, since it uses less digits than its factorization.

3135634385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949 (or 4848 counting only the distinct ones).

The product of its digits is 388800, while the sum is 41.

The square root of 3135634385 is about 55996.7354852048. The cubic root of 3135634385 is about 1463.6653984202.

Adding to 3135634385 its reverse (5834365313), we get a palindrome (8969999698).

The spelling of 3135634385 in words is "three billion, one hundred thirty-five million, six hundred thirty-four thousand, three hundred eighty-five".