1385187104 has 24 divisors (see below), whose sum is σ = 3116671488. Its totient is φ = 593651520.

The previous prime is 1385187031. The next prime is 1385187127. The reversal of 1385187104 is 4017815831.

It is a happy number.

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, 3091712 + ... + 3092159.

It is an arithmetic number, because the mean of its divisors is an integer number (129861312).

Almost surely, 2^1385187104 is an apocalyptic number.

1385187104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1385187104 is an abundant number, since it is smaller than the sum of its proper divisors (1731484384).

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

1385187104 is an equidigital number, since it uses as much as digits as its factorization.

1385187104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183888 (or 6183880 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 1385187104 is about 37218.1018323074. The cubic root of 1385187104 is about 1114.7294628079.

The spelling of 1385187104 in words is "one billion, three hundred eighty-five million, one hundred eighty-seven thousand, one hundred four".