3135221265 has 16 divisors (see below), whose sum is σ = 5472386496. Its totient is φ = 1520107200.

The previous prime is 3135221227. The next prime is 3135221269. The reversal of 3135221265 is 5621225313.

It is not a de Polignac number, because 3135221265 - 2⁷ = 3135221137 is a prime.

It is a super-2 number, since 2×3135221265² = 19659224761016400450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3135221269) 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 15 ways as a sum of consecutive naturals, for example, 9500506 + ... + 9500835.

It is an arithmetic number, because the mean of its divisors is an integer number (342024156).

Almost surely, 2^3135221265 is an apocalyptic number.

It is an amenable number.

3135221265 is a deficient number, since it is larger than the sum of its proper divisors (2337165231).

3135221265 is a wasteful number, since it uses less digits than its factorization.

3135221265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19001360.

The product of its digits is 10800, while the sum is 30.

The square root of 3135221265 is about 55993.0465772314. The cubic root of 3135221265 is about 1463.6011162652.

Adding to 3135221265 its reverse (5621225313), we get a palindrome (8756446578).

The spelling of 3135221265 in words is "three billion, one hundred thirty-five million, two hundred twenty-one thousand, two hundred sixty-five".