1380270856 has 16 divisors (see below), whose sum is σ = 2588450940. Its totient is φ = 690017280.

The previous prime is 1380270821. The next prime is 1380270883. The reversal of 1380270856 is 6580720831.

It can be written as a sum of positive squares in 2 ways, for example, as 1377152100 + 3118756 = 37110^2 + 1766^2 .

It is a super-3 number, since 3×1380270856³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53376 + ... + 74896.

Almost surely, 2^1380270856 is an apocalyptic number.

It is an amenable number.

1380270856 is a deficient number, since it is larger than the sum of its proper divisors (1208180084).

1380270856 is a wasteful number, since it uses less digits than its factorization.

1380270856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29544 (or 29540 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1380270856 is about 37151.9966623599. The cubic root of 1380270856 is about 1113.4091158410.

The spelling of 1380270856 in words is "one billion, three hundred eighty million, two hundred seventy thousand, eight hundred fifty-six".