1380028707 has 12 divisors (see below), whose sum is σ = 1994760040. Its totient is φ = 919379808.

The previous prime is 1380028697. The next prime is 1380028709. The reversal of 1380028707 is 7078200831.

It is a de Polignac number, because none of the positive numbers 2^k-1380028707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380028709) 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 11 ways as a sum of consecutive naturals, for example, 39418 + ... + 65679.

Almost surely, 2^1380028707 is an apocalyptic number.

1380028707 is a deficient number, since it is larger than the sum of its proper divisors (614731333).

1380028707 is a wasteful number, since it uses less digits than its factorization.

1380028707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106562 (or 106559 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1380028707 is about 37148.7376232356. The cubic root of 1380028707 is about 1113.3440014057.

The spelling of 1380028707 in words is "one billion, three hundred eighty million, twenty-eight thousand, seven hundred seven".