42200139 has 8 divisors (see below), whose sum is σ = 56550400. Its totient is φ = 27991656.

The previous prime is 42200131. The next prime is 42200143. The reversal of 42200139 is 93100224.

42200139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42200139 - 2³ = 42200131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42200131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34747 + ... + 35940.

It is an arithmetic number, because the mean of its divisors is an integer number (7068800).

Almost surely, 2^42200139 is an apocalyptic number.

42200139 is a deficient number, since it is larger than the sum of its proper divisors (14350261).

42200139 is a wasteful number, since it uses less digits than its factorization.

42200139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70889.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 42200139 is about 6496.1634061960. The cubic root of 42200139 is about 348.1539235187.

The spelling of 42200139 in words is "forty-two million, two hundred thousand, one hundred thirty-nine".