1386065760 has 192 divisors, whose sum is σ = 4702924800. Its totient is φ = 341860352.

The previous prime is 1386065753. The next prime is 1386065867. The reversal of 1386065760 is 675606831.

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, 480001 + ... + 482879.

It is an arithmetic number, because the mean of its divisors is an integer number (24494400).

Almost surely, 2^1386065760 is an apocalyptic number.

1386065760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386065760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351462400).

1386065760 is an abundant number, since it is smaller than the sum of its proper divisors (3316859040).

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

1386065760 is a wasteful number, since it uses less digits than its factorization.

1386065760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 1386065760 is about 37229.9041094656. The cubic root of 1386065760 is about 1114.9651124907.

The spelling of 1386065760 in words is "one billion, three hundred eighty-six million, sixty-five thousand, seven hundred sixty".