134530421 has 8 divisors (see below), whose sum is σ = 139125504. Its totient is φ = 129951360.

The previous prime is 134530411. The next prime is 134530423. The reversal of 134530421 is 124035431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134530421 - 2²² = 130336117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134530423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14501 + ... + 21893.

It is an arithmetic number, because the mean of its divisors is an integer number (17390688).

Almost surely, 2^134530421 is an apocalyptic number.

It is an amenable number.

134530421 is a deficient number, since it is larger than the sum of its proper divisors (4595083).

134530421 is an equidigital number, since it uses as much as digits as its factorization.

134530421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 134530421 is about 11598.7249730304. The cubic root of 134530421 is about 512.3973013334.

Adding to 134530421 its reverse (124035431), we get a palindrome (258565852).

The spelling of 134530421 in words is "one hundred thirty-four million, five hundred thirty thousand, four hundred twenty-one".