425212134 has 16 divisors (see below), whose sum is σ = 895183680. Its totient is φ = 134277480.

The previous prime is 425212127. The next prime is 425212159. The reversal of 425212134 is 431212524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864852 + ... + 1865079.

It is an arithmetic number, because the mean of its divisors is an integer number (55948980).

Almost surely, 2^425212134 is an apocalyptic number.

425212134 is an abundant number, since it is smaller than the sum of its proper divisors (469971546).

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

425212134 is a wasteful number, since it uses less digits than its factorization.

425212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729955.

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

The square root of 425212134 is about 20620.6724914587. The cubic root of 425212134 is about 751.9723693541.

Adding to 425212134 its reverse (431212524), we get a palindrome (856424658).

The spelling of 425212134 in words is "four hundred twenty-five million, two hundred twelve thousand, one hundred thirty-four".