420253135 has 8 divisors (see below), whose sum is σ = 504466416. Its totient is φ = 336094080.

The previous prime is 420253129. The next prime is 420253139. The reversal of 420253135 is 531352024.

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

It is not a de Polignac number, because 420253135 - 2⁵ = 420253103 is a prime.

It is a super-3 number, since 3×420253135³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420253139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6087 + ... + 29623.

It is an arithmetic number, because the mean of its divisors is an integer number (63058302).

Almost surely, 2^420253135 is an apocalyptic number.

420253135 is a deficient number, since it is larger than the sum of its proper divisors (84213281).

420253135 is a wasteful number, since it uses less digits than its factorization.

420253135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27113.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 420253135 is about 20500.0764632720. The cubic root of 420253135 is about 749.0376605466.

The spelling of 420253135 in words is "four hundred twenty million, two hundred fifty-three thousand, one hundred thirty-five".