5135691513 has 4 divisors (see below), whose sum is σ = 6847588688. Its totient is φ = 3423794340.

The previous prime is 5135691503. The next prime is 5135691553. The reversal of 5135691513 is 3151965315.

5135691513 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5135691513 - 2⁴ = 5135691497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5135691503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855948583 + ... + 855948588.

It is an arithmetic number, because the mean of its divisors is an integer number (1711897172).

Almost surely, 2^5135691513 is an apocalyptic number.

It is an amenable number.

5135691513 is a deficient number, since it is larger than the sum of its proper divisors (1711897175).

5135691513 is a wasteful number, since it uses less digits than its factorization.

5135691513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711897174.

The product of its digits is 60750, while the sum is 39.

The square root of 5135691513 is about 71663.7391781925. The cubic root of 5135691513 is about 1725.3067032052.

The spelling of 5135691513 in words is "five billion, one hundred thirty-five million, six hundred ninety-one thousand, five hundred thirteen".