431989134 has 32 divisors (see below), whose sum is σ = 899859456. Its totient is φ = 138126240.

The previous prime is 431989049. The next prime is 431989139.

431989134 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×431989134² = 373229223788139912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431989139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2059 + ... + 29465.

It is an arithmetic number, because the mean of its divisors is an integer number (28120608).

Almost surely, 2^431989134 is an apocalyptic number.

431989134 is an abundant number, since it is smaller than the sum of its proper divisors (467870322).

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

431989134 is a wasteful number, since it uses less digits than its factorization.

431989134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27520.

The product of its digits is 93312, while the sum is 42.

The square root of 431989134 is about 20784.3482938484. The cubic root of 431989134 is about 755.9462917809.

The spelling of 431989134 in words is "four hundred thirty-one million, nine hundred eighty-nine thousand, one hundred thirty-four".