42812134 has 8 divisors (see below), whose sum is σ = 64335168. Its totient is φ = 21367080.

The previous prime is 42812101. The next prime is 42812167. The reversal of 42812134 is 43121824.

It is an interprime number because it is at equal distance from previous prime (42812101) and next prime (42812167).

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 = 42812099 and 42812108.

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, 18102 + ... + 20329.

It is an arithmetic number, because the mean of its divisors is an integer number (8041896).

Almost surely, 2^42812134 is an apocalyptic number.

42812134 is a deficient number, since it is larger than the sum of its proper divisors (21523034).

42812134 is a wasteful number, since it uses less digits than its factorization.

42812134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38990.

The product of its digits is 1536, while the sum is 25.

The square root of 42812134 is about 6543.0981958091. The cubic root of 42812134 is about 349.8288523780.

Adding to 42812134 its reverse (43121824), we get a palindrome (85933958).

The spelling of 42812134 in words is "forty-two million, eight hundred twelve thousand, one hundred thirty-four".