420135277 has 8 divisors (see below), whose sum is σ = 443136960. Its totient is φ = 397222560.

The previous prime is 420135257. The next prime is 420135307. The reversal of 420135277 is 772531024.

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 420135277 - 2¹⁵ = 420102509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420135257) 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 7 ways as a sum of consecutive naturals, for example, 12424 + ... + 31537.

It is an arithmetic number, because the mean of its divisors is an integer number (55392120).

Almost surely, 2^420135277 is an apocalyptic number.

It is an amenable number.

420135277 is a deficient number, since it is larger than the sum of its proper divisors (23001683).

420135277 is a wasteful number, since it uses less digits than its factorization.

420135277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44483.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 420135277 is about 20497.2016870596. The cubic root of 420135277 is about 748.9676326459.

The spelling of 420135277 in words is "four hundred twenty million, one hundred thirty-five thousand, two hundred seventy-seven".