3135561145 has 4 divisors (see below), whose sum is σ = 3762673380. Its totient is φ = 2508448912.

The previous prime is 3135561137. The next prime is 3135561173. The reversal of 3135561145 is 5411655313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5411655313 = 41 ⋅131991593.

It can be written as a sum of positive squares in 2 ways, for example, as 1004446249 + 2131114896 = 31693^2 + 46164^2 .

It is a cyclic number.

It is not a de Polignac number, because 3135561145 - 2³ = 3135561137 is a prime.

It is a super-2 number, since 2×3135561145² = 19663487388067422050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3135561145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313556110 + ... + 313556119.

It is an arithmetic number, because the mean of its divisors is an integer number (940668345).

Almost surely, 2^3135561145 is an apocalyptic number.

It is an amenable number.

3135561145 is a deficient number, since it is larger than the sum of its proper divisors (627112235).

3135561145 is an equidigital number, since it uses as much as digits as its factorization.

3135561145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627112234.

The product of its digits is 27000, while the sum is 34.

The square root of 3135561145 is about 55996.0815146917. The cubic root of 3135561145 is about 1463.6540025668.

The spelling of 3135561145 in words is "three billion, one hundred thirty-five million, five hundred sixty-one thousand, one hundred forty-five".