133434256 has 20 divisors (see below), whose sum is σ = 258712732. Its totient is φ = 66669696.

The previous prime is 133434221. The next prime is 133434263. The reversal of 133434256 is 652434331.

It can be written as a sum of positive squares in 2 ways, for example, as 17139600 + 116294656 = 4140^2 + 10784^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34870 + ... + 38506.

Almost surely, 2^133434256 is an apocalyptic number.

133434256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133434256 is a deficient number, since it is larger than the sum of its proper divisors (125278476).

133434256 is a wasteful number, since it uses less digits than its factorization.

133434256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5938 (or 5932 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 133434256 is about 11551.3746368127. The cubic root of 133434256 is about 511.0018190736.

Adding to 133434256 its reverse (652434331), we get a palindrome (785868587).

The spelling of 133434256 in words is "one hundred thirty-three million, four hundred thirty-four thousand, two hundred fifty-six".