133711056 has 60 divisors (see below), whose sum is σ = 393908320. Its totient is φ = 42223680.

The previous prime is 133711043. The next prime is 133711057. The reversal of 133711056 is 650117331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133711057) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 21700 + ... + 27171.

Almost surely, 2^133711056 is an apocalyptic number.

133711056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133711056 is an abundant number, since it is smaller than the sum of its proper divisors (260197264).

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

133711056 is a wasteful number, since it uses less digits than its factorization.

133711056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48904 (or 48895 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 133711056 is about 11563.3496876986. The cubic root of 133711056 is about 511.3549208287.

Adding to 133711056 its reverse (650117331), we get a palindrome (783828387).

The spelling of 133711056 in words is "one hundred thirty-three million, seven hundred eleven thousand, fifty-six".