42058138 has 8 divisors (see below), whose sum is σ = 64429632. Its totient is φ = 20581596.

The previous prime is 42058129. The next prime is 42058139. The reversal of 42058138 is 83185024.

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 (42058139) 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, 223620 + ... + 223807.

It is an arithmetic number, because the mean of its divisors is an integer number (8053704).

Almost surely, 2^42058138 is an apocalyptic number.

42058138 is a deficient number, since it is larger than the sum of its proper divisors (22371494).

42058138 is a wasteful number, since it uses less digits than its factorization.

42058138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447476.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 42058138 is about 6485.2245913307. The cubic root of 42058138 is about 347.7629788237.

The spelling of 42058138 in words is "forty-two million, fifty-eight thousand, one hundred thirty-eight".