1439189072 has 20 divisors (see below), whose sum is σ = 2789056980. Its totient is φ = 719432448.

The previous prime is 1439189069. The next prime is 1439189107. The reversal of 1439189072 is 2709819341.

It can be written as a sum of positive squares in 2 ways, for example, as 1393976896 + 45212176 = 37336^2 + 6724^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98258 + ... + 111950.

It is an arithmetic number, because the mean of its divisors is an integer number (139452849).

Almost surely, 2^1439189072 is an apocalyptic number.

It is an amenable number.

1439189072 is a deficient number, since it is larger than the sum of its proper divisors (1349867908).

1439189072 is a wasteful number, since it uses less digits than its factorization.

1439189072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20270 (or 20264 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1439189072 is about 37936.6455027326. The cubic root of 1439189072 is about 1129.0312191691.

The spelling of 1439189072 in words is "one billion, four hundred thirty-nine million, one hundred eighty-nine thousand, seventy-two".