3105135 has 80 divisors (see below), whose sum is σ = 6586272. Its totient is φ = 1382400.

The previous prime is 3105131. The next prime is 3105143. The reversal of 3105135 is 5315013.

It is a happy number.

It is not a de Polignac number, because 3105135 - 2² = 3105131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3105131) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 75715 + ... + 75755.

Almost surely, 2^3105135 is an apocalyptic number.

3105135 is an abundant number, since it is smaller than the sum of its proper divisors (3481137).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3105135 is a wasteful number, since it uses less digits than its factorization.

3105135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 3105135 is about 1762.1393247981. The cubic root of 3105135 is about 145.8904382257.

It can be divided in two parts, 3105 and 135, that added together give a triangular number (3240 = T₈₀).

The spelling of 3105135 in words is "three million, one hundred five thousand, one hundred thirty-five".