42852139 has 8 divisors (see below), whose sum is σ = 47059200. Its totient is φ = 38697000.

The previous prime is 42852133. The next prime is 42852149. The reversal of 42852139 is 93125824.

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 42852139 - 2¹⁹ = 42327851 is a prime.

It is a super-3 number, since 3×42852139³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42852133) 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, 11239 + ... + 14560.

It is an arithmetic number, because the mean of its divisors is an integer number (5882400).

Almost surely, 2^42852139 is an apocalyptic number.

42852139 is a deficient number, since it is larger than the sum of its proper divisors (4207061).

42852139 is a wasteful number, since it uses less digits than its factorization.

42852139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25961.

The product of its digits is 17280, while the sum is 34.

The square root of 42852139 is about 6546.1545200217. The cubic root of 42852139 is about 349.9377821378.

The spelling of 42852139 in words is "forty-two million, eight hundred fifty-two thousand, one hundred thirty-nine".