420135353 has 12 divisors (see below), whose sum is σ = 486109680. Its totient is φ = 361837080.

The previous prime is 420135341. The next prime is 420135379. The reversal of 420135353 is 353531024.

It is not a de Polignac number, because 420135353 - 2¹⁰ = 420134329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420135253) 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 11 ways as a sum of consecutive naturals, for example, 89075 + ... + 93672.

It is an arithmetic number, because the mean of its divisors is an integer number (40509140).

Almost surely, 2^420135353 is an apocalyptic number.

It is an amenable number.

420135353 is a deficient number, since it is larger than the sum of its proper divisors (65974327).

420135353 is a wasteful number, since it uses less digits than its factorization.

420135353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182788 (or 182777 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 420135353 is about 20497.2035409711. The cubic root of 420135353 is about 748.9676778072.

Adding to 420135353 its reverse (353531024), we get a palindrome (773666377).

The spelling of 420135353 in words is "four hundred twenty million, one hundred thirty-five thousand, three hundred fifty-three".