135330421 has 8 divisors (see below), whose sum is σ = 145018944. Its totient is φ = 125833920.

The previous prime is 135330373. The next prime is 135330431. The reversal of 135330421 is 124033531.

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 135330421 - 2¹⁵ = 135297653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135330392 and 135330401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135330431) 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 7 ways as a sum of consecutive naturals, for example, 46545 + ... + 49366.

It is an arithmetic number, because the mean of its divisors is an integer number (18127368).

Almost surely, 2^135330421 is an apocalyptic number.

It is an amenable number.

135330421 is a deficient number, since it is larger than the sum of its proper divisors (9688523).

135330421 is an equidigital number, since it uses as much as digits as its factorization.

135330421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96011.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 135330421 is about 11633.1604046364. The cubic root of 135330421 is about 513.4109703886.

Adding to 135330421 its reverse (124033531), we get a palindrome (259363952).

The spelling of 135330421 in words is "one hundred thirty-five million, three hundred thirty thousand, four hundred twenty-one".