1307870866 has 8 divisors (see below), whose sum is σ = 1993967244. Its totient is φ = 643215120.

The previous prime is 1307870803. The next prime is 1307870897. The reversal of 1307870866 is 6680787031.

It can be written as a sum of positive squares in 2 ways, for example, as 1178480241 + 129390625 = 34329^2 + 11375^2 .

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

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, 5360005 + ... + 5360248.

Almost surely, 2^1307870866 is an apocalyptic number.

1307870866 is a deficient number, since it is larger than the sum of its proper divisors (686096378).

1307870866 is a wasteful number, since it uses less digits than its factorization.

1307870866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10720316.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 1307870866 is about 36164.4973143551. The cubic root of 1307870866 is about 1093.5910699098.

It can be divided in two parts, 1307870 and 866, that added together give a square (1308736 = 1144²).

The spelling of 1307870866 in words is "one billion, three hundred seven million, eight hundred seventy thousand, eight hundred sixty-six".