13145042839 has 4 divisors (see below), whose sum is σ = 13275191880. Its totient is φ = 13014893800.

The previous prime is 13145042789. The next prime is 13145042891. The reversal of 13145042839 is 93824054131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13145042839 - 2¹³ = 13145034647 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145042899) 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 3 ways as a sum of consecutive naturals, for example, 65074369 + ... + 65074570.

It is an arithmetic number, because the mean of its divisors is an integer number (3318797970).

Almost surely, 2^13145042839 is an apocalyptic number.

13145042839 is a deficient number, since it is larger than the sum of its proper divisors (130149041).

13145042839 is a wasteful number, since it uses less digits than its factorization.

13145042839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130149040.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 13145042839 in words is "thirteen billion, one hundred forty-five million, forty-two thousand, eight hundred thirty-nine".