538042915139 has 8 divisors (see below), whose sum is σ = 555438686208. Its totient is φ = 520649615880.

The previous prime is 538042915127. The next prime is 538042915141. The reversal of 538042915139 is 931519240835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538042915139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538042911139) 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, 170417 + ... + 1051250.

It is an arithmetic number, because the mean of its divisors is an integer number (69429835776).

Almost surely, 2^538042915139 is an apocalyptic number.

538042915139 is a deficient number, since it is larger than the sum of its proper divisors (17395771069).

538042915139 is a wasteful number, since it uses less digits than its factorization.

538042915139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235905.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 538042915139 in words is "five hundred thirty-eight billion, forty-two million, nine hundred fifteen thousand, one hundred thirty-nine".