1380770205 has 16 divisors (see below), whose sum is σ = 2260610880. Its totient is φ = 719284608.

The previous prime is 1380770173. The next prime is 1380770221. The reversal of 1380770205 is 5020770831.

It is not a de Polignac number, because 1380770205 - 2⁵ = 1380770173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069720 + ... + 1071009.

It is an arithmetic number, because the mean of its divisors is an integer number (141288180).

Almost surely, 2^1380770205 is an apocalyptic number.

1380770205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1380770205 is a deficient number, since it is larger than the sum of its proper divisors (879840675).

1380770205 is a wasteful number, since it uses less digits than its factorization.

1380770205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140780.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 1380770205 is about 37158.7164067867. The cubic root of 1380770205 is about 1113.5433679199.

The spelling of 1380770205 in words is "one billion, three hundred eighty million, seven hundred seventy thousand, two hundred five".