421343135 has 16 divisors (see below), whose sum is σ = 510382080. Its totient is φ = 333910560.

The previous prime is 421343129. The next prime is 421343159. The reversal of 421343135 is 531343124.

It is not a de Polignac number, because 421343135 - 2⁴ = 421343119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269486 + ... + 271044.

It is an arithmetic number, because the mean of its divisors is an integer number (31898880).

Almost surely, 2^421343135 is an apocalyptic number.

421343135 is a deficient number, since it is larger than the sum of its proper divisors (89038945).

421343135 is a wasteful number, since it uses less digits than its factorization.

421343135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038.

The product of its digits is 4320, while the sum is 26.

The square root of 421343135 is about 20526.6445138995. The cubic root of 421343135 is about 749.6846881973.

Adding to 421343135 its reverse (531343124), we get a palindrome (952686259).

The spelling of 421343135 in words is "four hundred twenty-one million, three hundred forty-three thousand, one hundred thirty-five".