1380039217 has 8 divisors (see below), whose sum is σ = 1466778560. Its totient is φ = 1294710480.

The previous prime is 1380039203. The next prime is 1380039233. The reversal of 1380039217 is 7129300831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1380039217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380039247) 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 7 ways as a sum of consecutive naturals, for example, 350634 + ... + 354547.

It is an arithmetic number, because the mean of its divisors is an integer number (183347320).

Almost surely, 2^1380039217 is an apocalyptic number.

It is an amenable number.

1380039217 is a deficient number, since it is larger than the sum of its proper divisors (86739343).

1380039217 is a wasteful number, since it uses less digits than its factorization.

1380039217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705303.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1380039217 is about 37148.8790813397. The cubic root of 1380039217 is about 1113.3468277276.

The spelling of 1380039217 in words is "one billion, three hundred eighty million, thirty-nine thousand, two hundred seventeen".