1307071389 has 16 divisors (see below), whose sum is σ = 1975601600. Its totient is φ = 762016896.

The previous prime is 1307071373. The next prime is 1307071399. The reversal of 1307071389 is 9831707031.

It is a happy number.

It is not a de Polignac number, because 1307071389 - 2⁴ = 1307071373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307071369) 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, 881224 + ... + 882705.

It is an arithmetic number, because the mean of its divisors is an integer number (123475100).

Almost surely, 2^1307071389 is an apocalyptic number.

1307071389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1307071389 is a deficient number, since it is larger than the sum of its proper divisors (668530211).

1307071389 is a wasteful number, since it uses less digits than its factorization.

1307071389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763964.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 1307071389 is about 36153.4422842418. The cubic root of 1307071389 is about 1093.3681939009.

The spelling of 1307071389 in words is "one billion, three hundred seven million, seventy-one thousand, three hundred eighty-nine".