7139428513 has 8 divisors (see below), whose sum is σ = 8257652928. Its totient is φ = 6045780624.

The previous prime is 7139428487. The next prime is 7139428553. The reversal of 7139428513 is 3158249317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7139428513 - 2²⁹ = 6602557601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7139428513.

It is not an unprimeable number, because it can be changed into a prime (7139428553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6143506 + ... + 6144667.

It is an arithmetic number, because the mean of its divisors is an integer number (1032206616).

Almost surely, 2^7139428513 is an apocalyptic number.

It is an amenable number.

7139428513 is a deficient number, since it is larger than the sum of its proper divisors (1118224415).

7139428513 is a wasteful number, since it uses less digits than its factorization.

7139428513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12288263.

The product of its digits is 181440, while the sum is 43.

The square root of 7139428513 is about 84495.1389903585. The cubic root of 7139428513 is about 1925.5485939006.

The spelling of 7139428513 in words is "seven billion, one hundred thirty-nine million, four hundred twenty-eight thousand, five hundred thirteen".