3069139280 has 20 divisors (see below), whose sum is σ = 7135749012. Its totient is φ = 1227655680.

The previous prime is 3069139259. The next prime is 3069139289. The reversal of 3069139280 is 829319603.

It can be written as a sum of positive squares in 2 ways, for example, as 1166085904 + 1903053376 = 34148^2 + 43624^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3069139289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19182041 + ... + 19182200.

Almost surely, 2^3069139280 is an apocalyptic number.

It is an amenable number.

3069139280 is an abundant number, since it is smaller than the sum of its proper divisors (4066609732).

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

3069139280 is a wasteful number, since it uses less digits than its factorization.

3069139280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38364254 (or 38364248 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 3069139280 is about 55399.8129960743. The cubic root of 3069139280 is about 1453.2450951300.

The spelling of 3069139280 in words is "three billion, sixty-nine million, one hundred thirty-nine thousand, two hundred eighty".