1380504705 has 16 divisors (see below), whose sum is σ = 2214738240. Its totient is φ = 734292288.

The previous prime is 1380504701. The next prime is 1380504707. The reversal of 1380504705 is 5074050831.

It is not a de Polignac number, because 1380504705 - 2² = 1380504701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380504701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117775 + ... + 128964.

It is an arithmetic number, because the mean of its divisors is an integer number (138421140).

Almost surely, 2^1380504705 is an apocalyptic number.

1380504705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1380504705 is a deficient number, since it is larger than the sum of its proper divisors (834233535).

1380504705 is a wasteful number, since it uses less digits than its factorization.

1380504705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247120.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1380504705 is about 37155.1437219667. The cubic root of 1380504705 is about 1113.4719911587.

The spelling of 1380504705 in words is "one billion, three hundred eighty million, five hundred four thousand, seven hundred five".