421252134 has 8 divisors (see below), whose sum is σ = 842504280. Its totient is φ = 140417376.

The previous prime is 421252133. The next prime is 421252157. The reversal of 421252134 is 431252124.

It is a sphenic number, since it is the product of 3 distinct primes.

421252134 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421252133) 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, 35104339 + ... + 35104350.

It is an arithmetic number, because the mean of its divisors is an integer number (105313035).

Almost surely, 2^421252134 is an apocalyptic number.

421252134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

421252134 is a wasteful number, since it uses less digits than its factorization.

421252134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70208694.

The product of its digits is 1920, while the sum is 24.

The square root of 421252134 is about 20524.4277386728. The cubic root of 421252134 is about 749.6307124210.

The spelling of 421252134 in words is "four hundred twenty-one million, two hundred fifty-two thousand, one hundred thirty-four".