7139816928 has 120 divisors (see below), whose sum is σ = 21028075992. Its totient is φ = 2376532224.

The previous prime is 7139816899. The next prime is 7139816963. The reversal of 7139816928 is 8296189317.

7139816928 is a `hidden beast` number, since 71 + 398 + 169 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2349426 + ... + 2352462.

Almost surely, 2^7139816928 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 7139816928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10514037996).

7139816928 is an abundant number, since it is smaller than the sum of its proper divisors (13888259064).

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

7139816928 is a wasteful number, since it uses less digits than its factorization.

7139816928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966 (or 3949 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 7139816928 is about 84497.4374049296. The cubic root of 7139816928 is about 1925.5835125869.

The spelling of 7139816928 in words is "seven billion, one hundred thirty-nine million, eight hundred sixteen thousand, nine hundred twenty-eight".