1306859839069 has 16 divisors (see below), whose sum is σ = 1364956670592. Its totient is φ = 1248870002688.

The previous prime is 1306859839037. The next prime is 1306859839073. The reversal of 1306859839069 is 9609389586031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1306859839069 - 2⁵ = 1306859839037 is a prime.

It is a super-2 number, since 2×1306859839069² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1306859838995 and 1306859839013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306859839099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185182789 + ... + 185189845.

It is an arithmetic number, because the mean of its divisors is an integer number (85309791912).

Almost surely, 2^{1306859839069} is an apocalyptic number.

It is an amenable number.

1306859839069 is a deficient number, since it is larger than the sum of its proper divisors (58096831523).

1306859839069 is a wasteful number, since it uses less digits than its factorization.

1306859839069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476.

The product of its (nonzero) digits is 75582720, while the sum is 67.

The spelling of 1306859839069 in words is "one trillion, three hundred six billion, eight hundred fifty-nine million, eight hundred thirty-nine thousand, sixty-nine".