135675421 has 8 divisors (see below), whose sum is σ = 156593664. Its totient is φ = 115141200.

The previous prime is 135675383. The next prime is 135675433. The reversal of 135675421 is 124576531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135675421 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 (135675481) 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, 95245 + ... + 96658.

It is an arithmetic number, because the mean of its divisors is an integer number (19574208).

Almost surely, 2^135675421 is an apocalyptic number.

It is an amenable number.

135675421 is a deficient number, since it is larger than the sum of its proper divisors (20918243).

135675421 is a wasteful number, since it uses less digits than its factorization.

135675421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192011.

The product of its digits is 25200, while the sum is 34.

The square root of 135675421 is about 11647.9792668085. The cubic root of 135675421 is about 513.8468824300.

The spelling of 135675421 in words is "one hundred thirty-five million, six hundred seventy-five thousand, four hundred twenty-one".