42515134 has 8 divisors (see below), whose sum is σ = 63957528. Its totient is φ = 21195960.

The previous prime is 42515117. The next prime is 42515159. The reversal of 42515134 is 43151524.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 42515099 and 42515108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29937 + ... + 31324.

It is an arithmetic number, because the mean of its divisors is an integer number (7994691).

Almost surely, 2^42515134 is an apocalyptic number.

42515134 is a deficient number, since it is larger than the sum of its proper divisors (21442394).

42515134 is a wasteful number, since it uses less digits than its factorization.

42515134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61610.

The product of its digits is 2400, while the sum is 25.

The square root of 42515134 is about 6520.3630267033. The cubic root of 42515134 is about 349.0180202680.

Adding to 42515134 its reverse (43151524), we get a palindrome (85666658).

The spelling of 42515134 in words is "forty-two million, five hundred fifteen thousand, one hundred thirty-four".