531439134827 has 8 divisors (see below), whose sum is σ = 539099447040. Its totient is φ = 523783690920.

The previous prime is 531439134791. The next prime is 531439134881. The reversal of 531439134827 is 728431934135.

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 531439134827 - 2¹⁰ = 531439133803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531439134427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996893 + ... + 1434110.

It is an arithmetic number, because the mean of its divisors is an integer number (67387430880).

Almost surely, 2^531439134827 is an apocalyptic number.

531439134827 is a deficient number, since it is larger than the sum of its proper divisors (7660312213).

531439134827 is a wasteful number, since it uses less digits than its factorization.

531439134827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434153.

The product of its digits is 2177280, while the sum is 50.

The spelling of 531439134827 in words is "five hundred thirty-one billion, four hundred thirty-nine million, one hundred thirty-four thousand, eight hundred twenty-seven".