42133911 has 8 divisors (see below), whose sum is σ = 56254320. Its totient is φ = 28051392.

The previous prime is 42133909. The next prime is 42133913. The reversal of 42133911 is 11933124.

42133911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42133909) and next prime (42133913).

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

It is not a de Polignac number, because 42133911 - 2¹ = 42133909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42133913) 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, 6766 + ... + 11403.

It is an arithmetic number, because the mean of its divisors is an integer number (7031790).

Almost surely, 2^42133911 is an apocalyptic number.

42133911 is a deficient number, since it is larger than the sum of its proper divisors (14120409).

42133911 is a wasteful number, since it uses less digits than its factorization.

42133911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18945.

The product of its digits is 648, while the sum is 24.

The square root of 42133911 is about 6491.0639343639. The cubic root of 42133911 is about 347.9716997068.

The spelling of 42133911 in words is "forty-two million, one hundred thirty-three thousand, nine hundred eleven".