42135484 has 6 divisors (see below), whose sum is σ = 73737104. Its totient is φ = 21067740.

The previous prime is 42135481. The next prime is 42135491. The reversal of 42135484 is 48453124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42135481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5266932 + ... + 5266939.

Almost surely, 2^42135484 is an apocalyptic number.

It is an amenable number.

42135484 is a deficient number, since it is larger than the sum of its proper divisors (31601620).

42135484 is a wasteful number, since it uses less digits than its factorization.

42135484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533875 (or 10533873 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 42135484 is about 6491.1850998104. The cubic root of 42135484 is about 347.9760299692.

The spelling of 42135484 in words is "forty-two million, one hundred thirty-five thousand, four hundred eighty-four".