421013140 has 48 divisors (see below), whose sum is σ = 896313600. Its totient is φ = 166100480.

The previous prime is 421013123. The next prime is 421013141. The reversal of 421013140 is 41310124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421013141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702561 + ... + 703159.

It is an arithmetic number, because the mean of its divisors is an integer number (18673200).

Almost surely, 2^421013140 is an apocalyptic number.

It is an amenable number.

421013140 is an abundant number, since it is smaller than the sum of its proper divisors (475300460).

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

421013140 is a wasteful number, since it uses less digits than its factorization.

421013140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 421013140 is about 20518.6047283922. The cubic root of 421013140 is about 749.4889199568.

Adding to 421013140 its reverse (41310124), we get a palindrome (462323264).

The spelling of 421013140 in words is "four hundred twenty-one million, thirteen thousand, one hundred forty".