42134988 has 96 divisors (see below), whose sum is σ = 118895616. Its totient is φ = 11354112.

The previous prime is 42134987. The next prime is 42135013. The reversal of 42134988 is 88943124.

42134988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42134987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218220 + ... + 218412.

It is an arithmetic number, because the mean of its divisors is an integer number (1238496).

Almost surely, 2^42134988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42134988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59447808).

42134988 is an abundant number, since it is smaller than the sum of its proper divisors (76760628).

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

42134988 is a wasteful number, since it uses less digits than its factorization.

42134988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 341 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 42134988 is about 6491.1468940396. The cubic root of 42134988 is about 347.9746645580.

The spelling of 42134988 in words is "forty-two million, one hundred thirty-four thousand, nine hundred eighty-eight".