125331131543439 has 8 divisors (see below), whose sum is σ = 167113449232000. Its totient is φ = 83551450775256.

The previous prime is 125331131543419. The next prime is 125331131543441. The reversal of 125331131543439 is 934345131133521.

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

It is not a de Polignac number, because 125331131543439 - 2⁹ = 125331131542927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125331131543419) 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, 659119189 + ... + 659309310.

It is an arithmetic number, because the mean of its divisors is an integer number (20889181154000).

Almost surely, 2^{125331131543439} is an apocalyptic number.

125331131543439 is a deficient number, since it is larger than the sum of its proper divisors (41782317688561).

125331131543439 is a wasteful number, since it uses less digits than its factorization.

125331131543439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318460189.

The product of its digits is 1749600, while the sum is 48.

The spelling of 125331131543439 in words is "one hundred twenty-five trillion, three hundred thirty-one billion, one hundred thirty-one million, five hundred forty-three thousand, four hundred thirty-nine".