404134143 has 16 divisors (see below), whose sum is σ = 617460480. Its totient is φ = 230319936.

The previous prime is 404134121. The next prime is 404134147. The reversal of 404134143 is 341431404.

It is not a de Polignac number, because 404134143 - 2¹² = 404130047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404134147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17430 + ... + 33347.

It is an arithmetic number, because the mean of its divisors is an integer number (38591280).

Almost surely, 2^404134143 is an apocalyptic number.

404134143 is a deficient number, since it is larger than the sum of its proper divisors (213326337).

404134143 is a wasteful number, since it uses less digits than its factorization.

404134143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51166.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 404134143 is about 20103.0878971366. The cubic root of 404134143 is about 739.3359900623.

Adding to 404134143 its reverse (341431404), we get a palindrome (745565547).

The spelling of 404134143 in words is "four hundred four million, one hundred thirty-four thousand, one hundred forty-three".