133804011256 has 32 divisors (see below), whose sum is σ = 256826568240. Its totient is φ = 65318254848.

The previous prime is 133804011251. The next prime is 133804011463. The reversal of 133804011256 is 652110408331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133804011251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735870 + ... + 899506.

Almost surely, 2^133804011256 is an apocalyptic number.

It is an amenable number.

133804011256 is a deficient number, since it is larger than the sum of its proper divisors (123022556984).

133804011256 is a wasteful number, since it uses less digits than its factorization.

133804011256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166063 (or 166059 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 133804011256 its reverse (652110408331), we get a palindrome (785914419587).

The spelling of 133804011256 in words is "one hundred thirty-three billion, eight hundred four million, eleven thousand, two hundred fifty-six".