3135145521 has 8 divisors (see below), whose sum is σ = 4400204320. Its totient is φ = 1980091872.

The previous prime is 3135145511. The next prime is 3135145561. The reversal of 3135145521 is 1255415313.

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

It is not a de Polignac number, because 3135145521 - 2⁷ = 3135145393 is a prime.

It is a super-2 number, since 2×3135145521² = 19658274875692722882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3135145511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27501220 + ... + 27501333.

It is an arithmetic number, because the mean of its divisors is an integer number (550025540).

Almost surely, 2^3135145521 is an apocalyptic number.

It is an amenable number.

3135145521 is a deficient number, since it is larger than the sum of its proper divisors (1265058799).

3135145521 is a wasteful number, since it uses less digits than its factorization.

3135145521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55002575.

The product of its digits is 9000, while the sum is 30.

The square root of 3135145521 is about 55992.3702034483. The cubic root of 3135145521 is about 1463.5893297610.

The spelling of 3135145521 in words is "three billion, one hundred thirty-five million, one hundred forty-five thousand, five hundred twenty-one".