1306049143 has 8 divisors (see below), whose sum is σ = 1503367040. Its totient is φ = 1111416120.

The previous prime is 1306049119. The next prime is 1306049159. The reversal of 1306049143 is 3419406031.

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

It is a cyclic number.

It is not a de Polignac number, because 1306049143 - 2⁵ = 1306049111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306043143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670173 + ... + 672118.

It is an arithmetic number, because the mean of its divisors is an integer number (187920880).

Almost surely, 2^1306049143 is an apocalyptic number.

1306049143 is a deficient number, since it is larger than the sum of its proper divisors (197317897).

1306049143 is a wasteful number, since it uses less digits than its factorization.

1306049143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342437.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1306049143 is about 36139.3019163348. The cubic root of 1306049143 is about 1093.0830825248.

The spelling of 1306049143 in words is "one billion, three hundred six million, forty-nine thousand, one hundred forty-three".