43139514139 has 4 divisors (see below), whose sum is σ = 43139958856. Its totient is φ = 43139069424.

The previous prime is 43139514133. The next prime is 43139514149. The reversal of 43139514139 is 93141593134.

43139514139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 43139514139 - 2¹⁹ = 43138989851 is a prime.

It is a super-2 number, since 2×43139514139² (a number of 22 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 = 43139514095 and 43139514104.

It is not an unprimeable number, because it can be changed into a prime (43139514133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7914 + ... + 293839.

It is an arithmetic number, because the mean of its divisors is an integer number (10784989714).

Almost surely, 2^43139514139 is an apocalyptic number.

43139514139 is a deficient number, since it is larger than the sum of its proper divisors (444717).

43139514139 is a wasteful number, since it uses less digits than its factorization.

43139514139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444716.

The product of its digits is 174960, while the sum is 43.

The spelling of 43139514139 in words is "forty-three billion, one hundred thirty-nine million, five hundred fourteen thousand, one hundred thirty-nine".