5134743640 has 64 divisors (see below), whose sum is σ = 12562804800. Its totient is φ = 1877478912.

The previous prime is 5134743619. The next prime is 5134743659. The reversal of 5134743640 is 463474315.

It is a self number, because there is not a number n which added to its sum of digits gives 5134743640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5626 + ... + 101494.

It is an arithmetic number, because the mean of its divisors is an integer number (196293825).

Almost surely, 2^5134743640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5134743640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6281402400).

5134743640 is an abundant number, since it is smaller than the sum of its proper divisors (7428061160).

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

5134743640 is a wasteful number, since it uses less digits than its factorization.

5134743640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95996 (or 95992 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 5134743640 is about 71657.1255354274. The cubic root of 5134743640 is about 1725.2005524718.

The spelling of 5134743640 in words is "five billion, one hundred thirty-four million, seven hundred forty-three thousand, six hundred forty".