1385119928 has 16 divisors (see below), whose sum is σ = 2680877760. Its totient is φ = 670219200.

The previous prime is 1385119921. The next prime is 1385119937. The reversal of 1385119928 is 8299115831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385119921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2792333 + ... + 2792828.

It is an arithmetic number, because the mean of its divisors is an integer number (167554860).

Almost surely, 2^1385119928 is an apocalyptic number.

It is an amenable number.

1385119928 is a deficient number, since it is larger than the sum of its proper divisors (1295757832).

1385119928 is a wasteful number, since it uses less digits than its factorization.

1385119928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585198 (or 5585194 counting only the distinct ones).

The product of its digits is 155520, while the sum is 47.

The square root of 1385119928 is about 37217.1993572864. The cubic root of 1385119928 is about 1114.7114425523.

The spelling of 1385119928 in words is "one billion, three hundred eighty-five million, one hundred nineteen thousand, nine hundred twenty-eight".