420135267 has 8 divisors (see below), whose sum is σ = 579497040. Its totient is φ = 270431840.

The previous prime is 420135257. The next prime is 420135307. The reversal of 420135267 is 762531024.

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

It is a cyclic number.

It is not a de Polignac number, because 420135267 - 2¹⁵ = 420102499 is a prime.

It is a super-2 number, since 2×420135267² = 353027285154322578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420135257) 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, 2414484 + ... + 2414657.

It is an arithmetic number, because the mean of its divisors is an integer number (72437130).

Almost surely, 2^420135267 is an apocalyptic number.

420135267 is a deficient number, since it is larger than the sum of its proper divisors (159361773).

420135267 is a wasteful number, since it uses less digits than its factorization.

420135267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829173.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 420135267 is about 20497.2014431239. The cubic root of 420135267 is about 748.9676267036.

The spelling of 420135267 in words is "four hundred twenty million, one hundred thirty-five thousand, two hundred sixty-seven".