7139287125 has 96 divisors (see below), whose sum is σ = 13087122048. Its totient is φ = 3744000000.

The previous prime is 7139287091. The next prime is 7139287189. The reversal of 7139287125 is 5217829317.

It is not a de Polignac number, because 7139287125 - 2¹⁵ = 7139254357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28443250 + ... + 28443500.

It is an arithmetic number, because the mean of its divisors is an integer number (136324188).

Almost surely, 2^7139287125 is an apocalyptic number.

7139287125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7139287125 is a deficient number, since it is larger than the sum of its proper divisors (5947834923).

7139287125 is a wasteful number, since it uses less digits than its factorization.

7139287125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 583 counting only the distinct ones).

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

The square root of 7139287125 is about 84494.3023227010. The cubic root of 7139287125 is about 1925.5358827402.

The spelling of 7139287125 in words is "seven billion, one hundred thirty-nine million, two hundred eighty-seven thousand, one hundred twenty-five".