1307855993 has 16 divisors (see below), whose sum is σ = 1372800000. Its totient is φ = 1244514240.

The previous prime is 1307855977. The next prime is 1307855999. The reversal of 1307855993 is 3995587031.

It is a cyclic number.

It is not a de Polignac number, because 1307855993 - 2⁴ = 1307855977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1307855999) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 474383 + ... + 477131.

It is an arithmetic number, because the mean of its divisors is an integer number (85800000).

Almost surely, 2^1307855993 is an apocalyptic number.

It is an amenable number.

1307855993 is a deficient number, since it is larger than the sum of its proper divisors (64944007).

1307855993 is a wasteful number, since it uses less digits than its factorization.

1307855993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The square root of 1307855993 is about 36164.2916839249. The cubic root of 1307855993 is about 1093.5869244849.

The spelling of 1307855993 in words is "one billion, three hundred seven million, eight hundred fifty-five thousand, nine hundred ninety-three".