5142738636 has 72 divisors (see below), whose sum is σ = 15502765824. Its totient is φ = 1405467360.

The previous prime is 5142738611. The next prime is 5142738661. The reversal of 5142738636 is 6368372415.

5142738636 is a `hidden beast` number, since 5 + 1 + 4 + 2 + 7 + 3 + 8 + 636 = 666.

It is an interprime number because it is at equal distance from previous prime (5142738611) and next prime (5142738661).

It is a junction number, because it is equal to n+sod(n) for n = 5142738591 and 5142738600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437850 + ... + 449441.

It is an arithmetic number, because the mean of its divisors is an integer number (215316192).

Almost surely, 2^5142738636 is an apocalyptic number.

It is an amenable number.

5142738636 is an abundant number, since it is smaller than the sum of its proper divisors (10360027188).

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

5142738636 is a wasteful number, since it uses less digits than its factorization.

5142738636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887331 (or 887326 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 5142738636 is about 71712.8903057184. The cubic root of 5142738636 is about 1726.0954896512.

The spelling of 5142738636 in words is "five billion, one hundred forty-two million, seven hundred thirty-eight thousand, six hundred thirty-six".