1385513064 has 96 divisors (see below), whose sum is σ = 4059062280. Its totient is φ = 424415232.

The previous prime is 1385513053. The next prime is 1385513081. The reversal of 1385513064 is 4603155831.

1385513064 is a `hidden beast` number, since 1 + 3 + 85 + 513 + 0 + 64 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 717704100 + 667808964 = 26790^2 + 25842^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214912 + ... + 221264.

Almost surely, 2^1385513064 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 1385513064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2029531140).

1385513064 is an abundant number, since it is smaller than the sum of its proper divisors (2673549216).

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

1385513064 is a wasteful number, since it uses less digits than its factorization.

1385513064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611 (or 6604 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1385513064 is about 37222.4806266321. The cubic root of 1385513064 is about 1114.8168947312.

Adding to 1385513064 its reverse (4603155831), we get a palindrome (5988668895).

The spelling of 1385513064 in words is "one billion, three hundred eighty-five million, five hundred thirteen thousand, sixty-four".