1389147096 has 128 divisors (see below), whose sum is σ = 3683232000. Its totient is φ = 435982848.

The previous prime is 1389147047. The next prime is 1389147127. The reversal of 1389147096 is 6907419831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8029666 + ... + 8029838.

It is an arithmetic number, because the mean of its divisors is an integer number (28775250).

Almost surely, 2^1389147096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389147096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841616000).

1389147096 is an abundant number, since it is smaller than the sum of its proper divisors (2294084904).

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

1389147096 is a wasteful number, since it uses less digits than its factorization.

1389147096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1389147096 is about 37271.2636759206. The cubic root of 1389147096 is about 1115.7907201253.

The spelling of 1389147096 in words is "one billion, three hundred eighty-nine million, one hundred forty-seven thousand, ninety-six".