404313142 has 8 divisors (see below), whose sum is σ = 642144456. Its totient is φ = 190264992.

The previous prime is 404313043. The next prime is 404313163. The reversal of 404313142 is 241313404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5945748 + ... + 5945815.

It is an arithmetic number, because the mean of its divisors is an integer number (80268057).

Almost surely, 2^404313142 is an apocalyptic number.

404313142 is a deficient number, since it is larger than the sum of its proper divisors (237831314).

404313142 is a wasteful number, since it uses less digits than its factorization.

404313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11891582.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 404313142 is about 20107.5394317654. The cubic root of 404313142 is about 739.4451294584.

Adding to 404313142 its reverse (241313404), we get a palindrome (645626546).

The spelling of 404313142 in words is "four hundred four million, three hundred thirteen thousand, one hundred forty-two".