1380393015 has 16 divisors (see below), whose sum is σ = 2224521600. Its totient is φ = 730912032.

The previous prime is 1380392999. The next prime is 1380393019. The reversal of 1380393015 is 5103930831.

It is not a de Polignac number, because 1380393015 - 2⁴ = 1380392999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380393019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 328945 + ... + 333114.

It is an arithmetic number, because the mean of its divisors is an integer number (139032600).

Almost surely, 2^1380393015 is an apocalyptic number.

1380393015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1380393015 is a deficient number, since it is larger than the sum of its proper divisors (844128585).

1380393015 is a wasteful number, since it uses less digits than its factorization.

1380393015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662206.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1380393015 is about 37153.6406695225. The cubic root of 1380393015 is about 1113.4419617933.

The spelling of 1380393015 in words is "one billion, three hundred eighty million, three hundred ninety-three thousand, fifteen".