134421642 has 24 divisors (see below), whose sum is σ = 300643200. Its totient is φ = 43361640.

The previous prime is 134421619. The next prime is 134421643. The reversal of 134421642 is 246124431.

It is a happy number.

134421642 is a `hidden beast` number, since 13 + 4 + 4 + 2 + 1 + 642 = 666.

It is not an unprimeable number, because it can be changed into a prime (134421643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119892 + ... + 121007.

It is an arithmetic number, because the mean of its divisors is an integer number (12526800).

Almost surely, 2^134421642 is an apocalyptic number.

134421642 is an abundant number, since it is smaller than the sum of its proper divisors (166221558).

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

134421642 is a wasteful number, since it uses less digits than its factorization.

134421642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240938 (or 240935 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 134421642 is about 11594.0347593062. The cubic root of 134421642 is about 512.2591588589.

The spelling of 134421642 in words is "one hundred thirty-four million, four hundred twenty-one thousand, six hundred forty-two".