420366133 has 4 divisors (see below), whose sum is σ = 458581248. Its totient is φ = 382151020.

The previous prime is 420366119. The next prime is 420366173. The reversal of 420366133 is 331663024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420366133 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 (420366173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19107541 + ... + 19107562.

It is an arithmetic number, because the mean of its divisors is an integer number (114645312).

Almost surely, 2^420366133 is an apocalyptic number.

It is an amenable number.

420366133 is a deficient number, since it is larger than the sum of its proper divisors (38215115).

420366133 is a wasteful number, since it uses less digits than its factorization.

420366133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38215114.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 420366133 is about 20502.8323165362. The cubic root of 420366133 is about 749.1047884795.

The spelling of 420366133 in words is "four hundred twenty million, three hundred sixty-six thousand, one hundred thirty-three".