538573139 has 8 divisors (see below), whose sum is σ = 586990992. Its totient is φ = 491153760.

The previous prime is 538573117. The next prime is 538573157. The reversal of 538573139 is 931375835.

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 538573139 - 2⁸ = 538572883 is a prime.

It is a super-2 number, since 2×538573139² = 580122052104626642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538573139.

It is not an unprimeable number, because it can be changed into a prime (538573169) 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, 248492 + ... + 250649.

It is an arithmetic number, because the mean of its divisors is an integer number (73373874).

Almost surely, 2^538573139 is an apocalyptic number.

538573139 is a deficient number, since it is larger than the sum of its proper divisors (48417853).

538573139 is a wasteful number, since it uses less digits than its factorization.

538573139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499237.

The product of its digits is 340200, while the sum is 44.

The square root of 538573139 is about 23207.1786092149. The cubic root of 538573139 is about 813.6074122023.

The spelling of 538573139 in words is "five hundred thirty-eight million, five hundred seventy-three thousand, one hundred thirty-nine".