1380084165 has 24 divisors (see below), whose sum is σ = 2407394808. Its totient is φ = 731352960.

The previous prime is 1380084137. The next prime is 1380084193. The reversal of 1380084165 is 5614800831.

It is an interprime number because it is at equal distance from previous prime (1380084137) and next prime (1380084193).

It can be written as a sum of positive squares in 4 ways, for example, as 5602689 + 1374481476 = 2367^2 + 37074^2 .

It is not a de Polignac number, because 1380084165 - 2⁷ = 1380084037 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 90606 + ... + 104735.

It is an arithmetic number, because the mean of its divisors is an integer number (100308117).

Almost surely, 2^1380084165 is an apocalyptic number.

1380084165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1380084165 is a deficient number, since it is larger than the sum of its proper divisors (1027310643).

1380084165 is a wasteful number, since it uses less digits than its factorization.

1380084165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195509 (or 195506 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1380084165 is about 37149.4840475611. The cubic root of 1380084165 is about 1113.3589148647.

Adding to 1380084165 its reverse (5614800831), we get a palindrome (6994884996).

The spelling of 1380084165 in words is "one billion, three hundred eighty million, eighty-four thousand, one hundred sixty-five".