421136 has 10 divisors (see below), whose sum is σ = 815982. Its totient is φ = 210560.

The previous prime is 421133. The next prime is 421147. The reversal of 421136 is 631124.

421136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 414736 + 6400 = 644^2 + 80^2 .

It is not an unprimeable number, because it can be changed into a prime (421133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13145 + ... + 13176.

2⁴²¹¹³⁶ is an apocalyptic number.

It is an amenable number.

421136 is a deficient number, since it is larger than the sum of its proper divisors (394846).

421136 is a wasteful number, since it uses less digits than its factorization.

421136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26329 (or 26323 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 421136 is about 648.9499210263. The cubic root of 421136 is about 74.9561818119.

The spelling of 421136 in words is "four hundred twenty-one thousand, one hundred thirty-six".