404134142 has 16 divisors (see below), whose sum is σ = 638616960. Its totient is φ = 191278872.

The previous prime is 404134121. The next prime is 404134147. The reversal of 404134142 is 241431404.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 54383 + ... + 61365.

It is an arithmetic number, because the mean of its divisors is an integer number (39913560).

Almost surely, 2^404134142 is an apocalyptic number.

404134142 is a deficient number, since it is larger than the sum of its proper divisors (234482818).

404134142 is a wasteful number, since it uses less digits than its factorization.

404134142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 404134142 is about 20103.0878722648. The cubic root of 404134142 is about 739.3359894525.

Adding to 404134142 its reverse (241431404), we get a palindrome (645565546).

It can be divided in two parts, 4041 and 34142, that added together give a palindrome (38183).

The spelling of 404134142 in words is "four hundred four million, one hundred thirty-four thousand, one hundred forty-two".