5140387791 has 128 divisors (see below), whose sum is σ = 10015211520. Its totient is φ = 2527718400.

The previous prime is 5140387771. The next prime is 5140387807. The reversal of 5140387791 is 1977830415.

It is not a de Polignac number, because 5140387791 - 2⁶ = 5140387727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5140387771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3028255 + ... + 3029951.

It is an arithmetic number, because the mean of its divisors is an integer number (78243840).

Almost surely, 2^5140387791 is an apocalyptic number.

5140387791 is a deficient number, since it is larger than the sum of its proper divisors (4874823729).

5140387791 is a wasteful number, since it uses less digits than its factorization.

5140387791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 5140387791 is about 71696.4977596535. The cubic root of 5140387791 is about 1725.8324390542.

The spelling of 5140387791 in words is "five billion, one hundred forty million, three hundred eighty-seven thousand, seven hundred ninety-one".