134431304 has 32 divisors (see below), whose sum is σ = 293952000. Its totient is φ = 57612240.

The previous prime is 134431301. The next prime is 134431337. The reversal of 134431304 is 403134431.

It is a self number, because there is not a number n which added to its sum of digits gives 134431304.

It is not an unprimeable number, because it can be changed into a prime (134431301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21752 + ... + 27239.

It is an arithmetic number, because the mean of its divisors is an integer number (9186000).

Almost surely, 2^134431304 is an apocalyptic number.

134431304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

134431304 is an abundant number, since it is smaller than the sum of its proper divisors (159520696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134431304 is an equidigital number, since it uses as much as digits as its factorization.

134431304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49018 (or 49000 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 134431304 is about 11594.4514316116. The cubic root of 134431304 is about 512.2714320052.

Adding to 134431304 its reverse (403134431), we get a palindrome (537565735).

The spelling of 134431304 in words is "one hundred thirty-four million, four hundred thirty-one thousand, three hundred four".