134842020 has 48 divisors (see below), whose sum is σ = 380116800. Its totient is φ = 35714176.

The previous prime is 134842007. The next prime is 134842027. The reversal of 134842020 is 20248431.

It is not an unprimeable number, because it can be changed into a prime (134842027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399 + ... + 16481.

It is an arithmetic number, because the mean of its divisors is an integer number (7919100).

Almost surely, 2^134842020 is an apocalyptic number.

134842020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134842020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190058400).

134842020 is an abundant number, since it is smaller than the sum of its proper divisors (245274780).

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

134842020 is a wasteful number, since it uses less digits than its factorization.

134842020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244 (or 15242 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 134842020 is about 11612.1496717877. The cubic root of 134842020 is about 512.7926007112.

The spelling of 134842020 in words is "one hundred thirty-four million, eight hundred forty-two thousand, twenty".