1380081585 has 8 divisors (see below), whose sum is σ = 2208130560. Its totient is φ = 736043504.

The previous prime is 1380081559. The next prime is 1380081623. The reversal of 1380081585 is 5851800831.

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

It is a cyclic number.

It is not a de Polignac number, because 1380081585 - 2¹¹ = 1380079537 is a prime.

It is a super-2 number, since 2×1380081585² = 3809250362512224450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46002705 + ... + 46002734.

It is an arithmetic number, because the mean of its divisors is an integer number (276016320).

Almost surely, 2^1380081585 is an apocalyptic number.

1380081585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1380081585 is a deficient number, since it is larger than the sum of its proper divisors (828048975).

1380081585 is an equidigital number, since it uses as much as digits as its factorization.

1380081585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92005447.

The product of its (nonzero) digits is 38400, while the sum is 39.

The square root of 1380081585 is about 37149.4493229711. The cubic root of 1380081585 is about 1113.3582210742.

The spelling of 1380081585 in words is "one billion, three hundred eighty million, eighty-one thousand, five hundred eighty-five".