134324021 has 12 divisors (see below), whose sum is σ = 153670692. Its totient is φ = 116694528.

The previous prime is 134324017. The next prime is 134324039. The reversal of 134324021 is 120423431.

It can be written as a sum of positive squares in 6 ways, for example, as 15295921 + 119028100 = 3911^2 + 10910^2 .

It is not a de Polignac number, because 134324021 - 2² = 134324017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134323984 and 134324002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134324081) 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, 14120 + ... + 21633.

It is an arithmetic number, because the mean of its divisors is an integer number (12805891).

Almost surely, 2^134324021 is an apocalyptic number.

It is an amenable number.

134324021 is a deficient number, since it is larger than the sum of its proper divisors (19346671).

134324021 is a wasteful number, since it uses less digits than its factorization.

134324021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35800 (or 35783 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 134324021 is about 11589.8240279997. The cubic root of 134324021 is about 512.1351228752.

Adding to 134324021 its reverse (120423431), we get a palindrome (254747452).

The spelling of 134324021 in words is "one hundred thirty-four million, three hundred twenty-four thousand, twenty-one".