431873134 has 32 divisors (see below), whose sum is σ = 855173376. Its totient is φ = 158363520.

The previous prime is 431873119. The next prime is 431873159. The reversal of 431873134 is 431378134.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 431873134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79864 + ... + 85099.

It is an arithmetic number, because the mean of its divisors is an integer number (26724168).

Almost surely, 2^431873134 is an apocalyptic number.

431873134 is a deficient number, since it is larger than the sum of its proper divisors (423300242).

431873134 is a wasteful number, since it uses less digits than its factorization.

431873134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165000.

The product of its digits is 24192, while the sum is 34.

The square root of 431873134 is about 20781.5575450927. The cubic root of 431873134 is about 755.8786221622.

The spelling of 431873134 in words is "four hundred thirty-one million, eight hundred seventy-three thousand, one hundred thirty-four".