434140213 has 24 divisors (see below), whose sum is σ = 489093120. Its totient is φ = 384770880.

The previous prime is 434140211. The next prime is 434140219. The reversal of 434140213 is 312041434.

It is not a de Polignac number, because 434140213 - 2¹ = 434140211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434140211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 906108 + ... + 906586.

It is an arithmetic number, because the mean of its divisors is an integer number (20378880).

Almost surely, 2^434140213 is an apocalyptic number.

It is an amenable number.

434140213 is a deficient number, since it is larger than the sum of its proper divisors (54952907).

434140213 is a wasteful number, since it uses less digits than its factorization.

434140213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 434140213 is about 20836.0316039307. The cubic root of 434140213 is about 757.1989533765.

Adding to 434140213 its reverse (312041434), we get a palindrome (746181647).

The spelling of 434140213 in words is "four hundred thirty-four million, one hundred forty thousand, two hundred thirteen".