135363421 has 4 divisors (see below), whose sum is σ = 135525600. Its totient is φ = 135201244.

The previous prime is 135363413. The next prime is 135363433. The reversal of 135363421 is 124363531.

135363421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135363421 - 2³ = 135363413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135363421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135363451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79831 + ... + 81508.

It is an arithmetic number, because the mean of its divisors is an integer number (33881400).

Almost surely, 2^135363421 is an apocalyptic number.

It is an amenable number.

135363421 is a deficient number, since it is larger than the sum of its proper divisors (162179).

135363421 is an equidigital number, since it uses as much as digits as its factorization.

135363421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162178.

The product of its digits is 6480, while the sum is 28.

The square root of 135363421 is about 11634.5786773738. The cubic root of 135363421 is about 513.4526983435.

The spelling of 135363421 in words is "one hundred thirty-five million, three hundred sixty-three thousand, four hundred twenty-one".