5135615658 has 24 divisors (see below), whose sum is σ = 11141592228. Its totient is φ = 1709652672.

The previous prime is 5135615657. The next prime is 5135615699. The reversal of 5135615658 is 8565165315.

5135615658 is a `hidden beast` number, since 51 + 35 + 6 + 1 + 565 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4970673009 + 164942649 = 70503^2 + 12843^2 .

It is not an unprimeable number, because it can be changed into a prime (5135615657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170635 + ... + 198462.

Almost surely, 2^5135615658 is an apocalyptic number.

5135615658 is an abundant number, since it is smaller than the sum of its proper divisors (6005976570).

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

5135615658 is a wasteful number, since it uses less digits than its factorization.

5135615658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369878 (or 369875 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 5135615658 is about 71663.2099336891. The cubic root of 5135615658 is about 1725.2982088097.

The spelling of 5135615658 in words is "five billion, one hundred thirty-five million, six hundred fifteen thousand, six hundred fifty-eight".