5120405135 has 4 divisors (see below), whose sum is σ = 6144486168. Its totient is φ = 4096324104.

The previous prime is 5120405131. The next prime is 5120405243. The reversal of 5120405135 is 5315040215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5120405135 - 2² = 5120405131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120405131) 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 3 ways as a sum of consecutive naturals, for example, 512040509 + ... + 512040518.

It is an arithmetic number, because the mean of its divisors is an integer number (1536121542).

Almost surely, 2^5120405135 is an apocalyptic number.

5120405135 is a deficient number, since it is larger than the sum of its proper divisors (1024081033).

5120405135 is a wasteful number, since it uses less digits than its factorization.

5120405135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024081032.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5120405135 is about 71557.0061908686. The cubic root of 5120405135 is about 1723.5932110816.

The spelling of 5120405135 in words is "five billion, one hundred twenty million, four hundred five thousand, one hundred thirty-five".