1389053762 has 8 divisors (see below), whose sum is σ = 2083765692. Its totient is φ = 694465200.

The previous prime is 1389053717. The next prime is 1389053779. The reversal of 1389053762 is 2673509831.

It can be written as a sum of positive squares in 2 ways, for example, as 1378562641 + 10491121 = 37129^2 + 3239^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6212 + ... + 53072.

Almost surely, 2^1389053762 is an apocalyptic number.

1389053762 is a deficient number, since it is larger than the sum of its proper divisors (694711930).

1389053762 is a wasteful number, since it uses less digits than its factorization.

1389053762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61684.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1389053762 is about 37270.0115642590. The cubic root of 1389053762 is about 1115.7657303207.

The spelling of 1389053762 in words is "one billion, three hundred eighty-nine million, fifty-three thousand, seven hundred sixty-two".