5051278136 has 64 divisors (see below), whose sum is σ = 10896768000. Its totient is φ = 2179284480.

The previous prime is 5051278039. The next prime is 5051278139. The reversal of 5051278136 is 6318721505.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 5051278136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051278139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48575 + ... + 111633.

It is an arithmetic number, because the mean of its divisors is an integer number (170262000).

Almost surely, 2^5051278136 is an apocalyptic number.

It is an amenable number.

5051278136 is an abundant number, since it is smaller than the sum of its proper divisors (5845489864).

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

5051278136 is a wasteful number, since it uses less digits than its factorization.

5051278136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63132 (or 63128 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 5051278136 is about 71072.3443823264. The cubic root of 5051278136 is about 1715.8017015204.

The spelling of 5051278136 in words is "five billion, fifty-one million, two hundred seventy-eight thousand, one hundred thirty-six".