1389948082 has 8 divisors (see below), whose sum is σ = 2133408816. Its totient is φ = 678811812.

The previous prime is 1389948037. The next prime is 1389948089. The reversal of 1389948082 is 2808499831.

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

It is not an unprimeable number, because it can be changed into a prime (1389948089) 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, 8081008 + ... + 8081179.

It is an arithmetic number, because the mean of its divisors is an integer number (266676102).

Almost surely, 2^1389948082 is an apocalyptic number.

1389948082 is a deficient number, since it is larger than the sum of its proper divisors (743460734).

1389948082 is a wasteful number, since it uses less digits than its factorization.

1389948082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16162232.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 1389948082 is about 37282.0074835034. The cubic root of 1389948082 is about 1116.0051349095.

The spelling of 1389948082 in words is "one billion, three hundred eighty-nine million, nine hundred forty-eight thousand, eighty-two".