42363138 has 8 divisors (see below), whose sum is σ = 84726288. Its totient is φ = 14121044.

The previous prime is 42363131. The next prime is 42363157. The reversal of 42363138 is 83136324.

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

42363138 is an admirable number.

It is a super-2 number, since 2×42363138² = 3589270922414088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42363131) 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, 3530256 + ... + 3530267.

It is an arithmetic number, because the mean of its divisors is an integer number (10590786).

Almost surely, 2^42363138 is an apocalyptic number.

42363138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42363138 is a wasteful number, since it uses less digits than its factorization.

42363138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060528.

The product of its digits is 10368, while the sum is 30.

The square root of 42363138 is about 6508.6971046439. The cubic root of 42363138 is about 348.6015984527.

The spelling of 42363138 in words is "forty-two million, three hundred sixty-three thousand, one hundred thirty-eight".