42350139 has 12 divisors (see below), whose sum is σ = 65878176. Its totient is φ = 26061552.

The previous prime is 42350137. The next prime is 42350167. The reversal of 42350139 is 93105324.

42350139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42350139 - 2¹ = 42350137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42350131) 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 11 ways as a sum of consecutive naturals, for example, 180867 + ... + 181100.

It is an arithmetic number, because the mean of its divisors is an integer number (5489848).

Almost surely, 2^42350139 is an apocalyptic number.

42350139 is a deficient number, since it is larger than the sum of its proper divisors (23528037).

42350139 is a wasteful number, since it uses less digits than its factorization.

42350139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361986 (or 361983 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 42350139 is about 6507.6984410773. The cubic root of 42350139 is about 348.5659390252.

The spelling of 42350139 in words is "forty-two million, three hundred fifty thousand, one hundred thirty-nine".