42135498 has 16 divisors (see below), whose sum is σ = 93634560. Its totient is φ = 14045148.

The previous prime is 42135497. The next prime is 42135523. The reversal of 42135498 is 89453124.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42135491) 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, 390090 + ... + 390197.

It is an arithmetic number, because the mean of its divisors is an integer number (5852160).

Almost surely, 2^42135498 is an apocalyptic number.

42135498 is an abundant number, since it is smaller than the sum of its proper divisors (51499062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42135498 is a wasteful number, since it uses less digits than its factorization.

42135498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780298 (or 780292 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 42135498 is about 6491.1861781958. The cubic root of 42135498 is about 347.9760685089.

The spelling of 42135498 in words is "forty-two million, one hundred thirty-five thousand, four hundred ninety-eight".