3140065728 has 42 divisors (see below), whose sum is σ = 9000433104. Its totient is φ = 1046688384.

The previous prime is 3140065679. The next prime is 3140065757. The reversal of 3140065728 is 8275600413.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3140065692 and 3140065701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2725176 + ... + 2726327.

Almost surely, 2^3140065728 is an apocalyptic number.

It is an amenable number.

3140065728 is an abundant number, since it is smaller than the sum of its proper divisors (5860367376).

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

3140065728 is a wasteful number, since it uses less digits than its factorization.

3140065728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451521 (or 5451508 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 3140065728 is about 56036.2893846479. The cubic root of 3140065728 is about 1464.3545678868.

The spelling of 3140065728 in words is "three billion, one hundred forty million, sixty-five thousand, seven hundred twenty-eight".