134601421 has 4 divisors (see below), whose sum is σ = 134624700. Its totient is φ = 134578144.

The previous prime is 134601407. The next prime is 134601433. The reversal of 134601421 is 124106431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 124106431 = 113 ⋅1098287.

It can be written as a sum of positive squares in 2 ways, for example, as 131928196 + 2673225 = 11486^2 + 1635^2 .

It is a cyclic number.

It is not a de Polignac number, because 134601421 - 2⁷ = 134601293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134601392 and 134601401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134602421) 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 3 ways as a sum of consecutive naturals, for example, 4425 + ... + 16993.

It is an arithmetic number, because the mean of its divisors is an integer number (33656175).

Almost surely, 2^134601421 is an apocalyptic number.

It is an amenable number.

134601421 is a deficient number, since it is larger than the sum of its proper divisors (23279).

134601421 is a wasteful number, since it uses less digits than its factorization.

134601421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23278.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 134601421 is about 11601.7852505552. The cubic root of 134601421 is about 512.4874266993.

Adding to 134601421 its reverse (124106431), we get a palindrome (258707852).

The spelling of 134601421 in words is "one hundred thirty-four million, six hundred one thousand, four hundred twenty-one".