5139541572 has 96 divisors (see below), whose sum is σ = 13797611520. Its totient is φ = 1472618880.

The previous prime is 5139541487. The next prime is 5139541619. The reversal of 5139541572 is 2751459315.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1535733 + ... + 1539075.

It is an arithmetic number, because the mean of its divisors is an integer number (143725120).

Almost surely, 2^5139541572 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 5139541572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6898805760).

5139541572 is an abundant number, since it is smaller than the sum of its proper divisors (8658069948).

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

5139541572 is a wasteful number, since it uses less digits than its factorization.

5139541572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993 (or 3991 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 5139541572 is about 71690.5961197143. The cubic root of 5139541572 is about 1725.7377307425.

The spelling of 5139541572 in words is "five billion, one hundred thirty-nine million, five hundred forty-one thousand, five hundred seventy-two".