1381080605 has 8 divisors (see below), whose sum is σ = 1657651200. Its totient is φ = 1104628176.

The previous prime is 1381080593. The next prime is 1381080637. The reversal of 1381080605 is 5060801831.

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 1381080605 - 2⁶ = 1381080541 is a prime.

It is a congruent number.

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, 1385 + ... + 52574.

It is an arithmetic number, because the mean of its divisors is an integer number (207206400).

Almost surely, 2^1381080605 is an apocalyptic number.

It is an amenable number.

1381080605 is a deficient number, since it is larger than the sum of its proper divisors (276570595).

1381080605 is an equidigital number, since it uses as much as digits as its factorization.

1381080605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59083.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1381080605 is about 37162.8928502613. The cubic root of 1381080605 is about 1113.6268039526.

The spelling of 1381080605 in words is "one billion, three hundred eighty-one million, eighty thousand, six hundred five".