42215134 has 16 divisors (see below), whose sum is σ = 68690160. Its totient is φ = 19342080.

The previous prime is 42215123. The next prime is 42215137. The reversal of 42215134 is 43151224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42215137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2227 + ... + 9454.

It is an arithmetic number, because the mean of its divisors is an integer number (4293135).

Almost surely, 2^42215134 is an apocalyptic number.

42215134 is a deficient number, since it is larger than the sum of its proper divisors (26475026).

42215134 is a wasteful number, since it uses less digits than its factorization.

42215134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11835.

The product of its digits is 960, while the sum is 22.

The square root of 42215134 is about 6497.3174464543. The cubic root of 42215134 is about 348.1951552144.

Adding to 42215134 its reverse (43151224), we get a palindrome (85366358).

The spelling of 42215134 in words is "forty-two million, two hundred fifteen thousand, one hundred thirty-four".