7140866528 has 12 divisors (see below), whose sum is σ = 14058581040. Its totient is φ = 3570433248.

The previous prime is 7140866521. The next prime is 7140866563. The reversal of 7140866528 is 8256680417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140866521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111576008 + ... + 111576071.

It is an arithmetic number, because the mean of its divisors is an integer number (1171548420).

Almost surely, 2^7140866528 is an apocalyptic number.

It is an amenable number.

7140866528 is a deficient number, since it is larger than the sum of its proper divisors (6917714512).

7140866528 is a wasteful number, since it uses less digits than its factorization.

7140866528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223152089 (or 223152081 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 7140866528 is about 84503.6480159289. The cubic root of 7140866528 is about 1925.6778657729.

The spelling of 7140866528 in words is "seven billion, one hundred forty million, eight hundred sixty-six thousand, five hundred twenty-eight".