404000134 has 4 divisors (see below), whose sum is σ = 606000204. Its totient is φ = 202000066.

The previous prime is 404000123. The next prime is 404000137. The reversal of 404000134 is 431000404.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×404000134² = 326432216544035912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404000137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000032 + ... + 101000035.

It is an arithmetic number, because the mean of its divisors is an integer number (151500051).

Almost surely, 2^404000134 is an apocalyptic number.

404000134 is a deficient number, since it is larger than the sum of its proper divisors (202000070).

404000134 is a wasteful number, since it uses less digits than its factorization.

404000134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202000069.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 404000134 is about 20099.7545756161. The cubic root of 404000134 is about 739.2542609041.

Adding to 404000134 its reverse (431000404), we get a palindrome (835000538).

The spelling of 404000134 in words is "four hundred four million, one hundred thirty-four", and thus it is an aban number.