5135696640 has 108 divisors (see below), whose sum is σ = 17769015264. Its totient is φ = 1369516032.

The previous prime is 5135696639. The next prime is 5135696711. The reversal of 5135696640 is 466965315.

5135696640 is a `hidden beast` number, since 513 + 5 + 6 + 96 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211384 + ... + 234423.

Almost surely, 2^5135696640 is an apocalyptic number.

It is an amenable number.

5135696640 is an abundant number, since it is smaller than the sum of its proper divisors (12633318624).

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

5135696640 is a wasteful number, since it uses less digits than its factorization.

5135696640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445834 (or 445817 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 5135696640 is about 71663.7749494122. The cubic root of 5135696640 is about 1725.3072773340.

The spelling of 5135696640 in words is "five billion, one hundred thirty-five million, six hundred ninety-six thousand, six hundred forty".