5242135806 has 40 divisors (see below), whose sum is σ = 11788773480. Its totient is φ = 1741055472.

The previous prime is 5242135783. The next prime is 5242135807. The reversal of 5242135806 is 6085312425.

5242135806 is a `hidden beast` number, since 52 + 4 + 21 + 3 + 580 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242135807) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13536 + ... + 103283.

It is an arithmetic number, because the mean of its divisors is an integer number (294719337).

Almost surely, 2^5242135806 is an apocalyptic number.

5242135806 is an abundant number, since it is smaller than the sum of its proper divisors (6546637674).

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

5242135806 is a wasteful number, since it uses less digits than its factorization.

5242135806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117110 (or 117101 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 5242135806 is about 72402.5952987875. The cubic root of 5242135806 is about 1737.1450745520.

The spelling of 5242135806 in words is "five billion, two hundred forty-two million, one hundred thirty-five thousand, eight hundred six".