421262136 has 48 divisors (see below), whose sum is σ = 1145860560. Its totient is φ = 139812480.

The previous prime is 421262123. The next prime is 421262137. The reversal of 421262136 is 631262124.

421262136 is a `hidden beast` number, since 4 + 2 + 1 + 2 + 621 + 36 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421262137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4221 + ... + 29331.

It is an arithmetic number, because the mean of its divisors is an integer number (23872095).

Almost surely, 2^421262136 is an apocalyptic number.

It is an amenable number.

421262136 is an abundant number, since it is smaller than the sum of its proper divisors (724598424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421262136 is a wasteful number, since it uses less digits than its factorization.

421262136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25356 (or 25349 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 421262136 is about 20524.6713981004. The cubic root of 421262136 is about 749.6366453263.

The spelling of 421262136 in words is "four hundred twenty-one million, two hundred sixty-two thousand, one hundred thirty-six".