1384865765 has 8 divisors (see below), whose sum is σ = 1734092928. Its totient is φ = 1059723280.

The previous prime is 1384865761. The next prime is 1384865791. The reversal of 1384865765 is 5675684831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1384865765 - 2² = 1384865761 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384865761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6021041 + ... + 6021270.

It is an arithmetic number, because the mean of its divisors is an integer number (216761616).

Almost surely, 2^1384865765 is an apocalyptic number.

It is an amenable number.

1384865765 is a deficient number, since it is larger than the sum of its proper divisors (349227163).

1384865765 is a wasteful number, since it uses less digits than its factorization.

1384865765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12042339.

The product of its digits is 4838400, while the sum is 53.

The square root of 1384865765 is about 37213.7846100071. The cubic root of 1384865765 is about 1114.6432569438.

The spelling of 1384865765 in words is "one billion, three hundred eighty-four million, eight hundred sixty-five thousand, seven hundred sixty-five".