5140378188 has 36 divisors (see below), whose sum is σ = 14174983368. Its totient is φ = 1557690240.

The previous prime is 5140378171. The next prime is 5140378207. The reversal of 5140378188 is 8818730415.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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, 6489981 + ... + 6490772.

It is an arithmetic number, because the mean of its divisors is an integer number (393749538).

Almost surely, 2^5140378188 is an apocalyptic number.

It is an amenable number.

5140378188 is an abundant number, since it is smaller than the sum of its proper divisors (9034605180).

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

5140378188 is a wasteful number, since it uses less digits than its factorization.

5140378188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12980774 (or 12980769 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 5140378188 is about 71696.4307898238. The cubic root of 5140378188 is about 1725.8313643507.

It can be divided in two parts, 514037 and 8188, that added together give a palindrome (522225).

The spelling of 5140378188 in words is "five billion, one hundred forty million, three hundred seventy-eight thousand, one hundred eighty-eight".