421015134 has 32 divisors (see below), whose sum is σ = 848517120. Its totient is φ = 139262432.

The previous prime is 421015121. The next prime is 421015141. The reversal of 421015134 is 431510124.

It is a self number, because there is not a number n which added to its sum of digits gives 421015134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755584 + ... + 756140.

It is an arithmetic number, because the mean of its divisors is an integer number (26516160).

Almost surely, 2^421015134 is an apocalyptic number.

421015134 is an abundant number, since it is smaller than the sum of its proper divisors (427501986).

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

421015134 is a wasteful number, since it uses less digits than its factorization.

421015134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 421015134 is about 20518.6533183833. The cubic root of 421015134 is about 749.4901031967.

Adding to 421015134 its reverse (431510124), we get a palindrome (852525258).

The spelling of 421015134 in words is "four hundred twenty-one million, fifteen thousand, one hundred thirty-four".