135421430 has 8 divisors (see below), whose sum is σ = 243758592. Its totient is φ = 54168568.

The previous prime is 135421411. The next prime is 135421441. The reversal of 135421430 is 34124531.

135421430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 135421396 and 135421405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6771062 + ... + 6771081.

It is an arithmetic number, because the mean of its divisors is an integer number (30469824).

Almost surely, 2^135421430 is an apocalyptic number.

135421430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135421430 is a deficient number, since it is larger than the sum of its proper divisors (108337162).

135421430 is a wasteful number, since it uses less digits than its factorization.

135421430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13542150.

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

The square root of 135421430 is about 11637.0713669720. The cubic root of 135421430 is about 513.5260333298.

Adding to 135421430 its reverse (34124531), we get a palindrome (169545961).

The spelling of 135421430 in words is "one hundred thirty-five million, four hundred twenty-one thousand, four hundred thirty".