1380938015 has 8 divisors (see below), whose sum is σ = 1697543568. Its totient is φ = 1077805120.

The previous prime is 1380937969. The next prime is 1380938023. The reversal of 1380938015 is 5108390831.

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

It is not a de Polignac number, because 1380938015 - 2⁶ = 1380937951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1380938015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3367937 + ... + 3368346.

It is an arithmetic number, because the mean of its divisors is an integer number (212192946).

Almost surely, 2^1380938015 is an apocalyptic number.

1380938015 is a deficient number, since it is larger than the sum of its proper divisors (316605553).

1380938015 is an equidigital number, since it uses as much as digits as its factorization.

1380938015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736329.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 1380938015 is about 37160.9743548255. The cubic root of 1380938015 is about 1113.5884770776.

The spelling of 1380938015 in words is "one billion, three hundred eighty million, nine hundred thirty-eight thousand, fifteen".