42350138 has 8 divisors (see below), whose sum is σ = 63572340. Its totient is φ = 21159360.

The previous prime is 42350137. The next prime is 42350167. The reversal of 42350138 is 83105324.

It can be written as a sum of positive squares in 2 ways, for example, as 42211009 + 139129 = 6497^2 + 373^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42350131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4133 + ... + 10088.

Almost surely, 2^42350138 is an apocalyptic number.

42350138 is a deficient number, since it is larger than the sum of its proper divisors (21222202).

42350138 is a wasteful number, since it uses less digits than its factorization.

42350138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15712.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42350138 is about 6507.6983642452. The cubic root of 42350138 is about 348.5659362817.

The spelling of 42350138 in words is "forty-two million, three hundred fifty thousand, one hundred thirty-eight".