1389822146 has 8 divisors (see below), whose sum is σ = 2194456080. Its totient is φ = 658336788.

The previous prime is 1389822079. The next prime is 1389822151. The reversal of 1389822146 is 6412289831.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1389822097 and 1389822106.

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, 18287096 + ... + 18287171.

It is an arithmetic number, because the mean of its divisors is an integer number (274307010).

Almost surely, 2^1389822146 is an apocalyptic number.

1389822146 is a deficient number, since it is larger than the sum of its proper divisors (804633934).

1389822146 is a wasteful number, since it uses less digits than its factorization.

1389822146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36574288.

The product of its digits is 165888, while the sum is 44.

The square root of 1389822146 is about 37280.3184803993. The cubic root of 1389822146 is about 1115.9714287423.

The spelling of 1389822146 in words is "one billion, three hundred eighty-nine million, eight hundred twenty-two thousand, one hundred forty-six".