133023056 has 10 divisors (see below), whose sum is σ = 257732202. Its totient is φ = 66511520.

The previous prime is 133023043. The next prime is 133023089. The reversal of 133023056 is 650320331.

It can be written as a sum of positive squares in only one way, i.e., 78499600 + 54523456 = 8860^2 + 7384^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4156955 + ... + 4156986.

Almost surely, 2^133023056 is an apocalyptic number.

133023056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133023056 is a deficient number, since it is larger than the sum of its proper divisors (124709146).

133023056 is an equidigital number, since it uses as much as digits as its factorization.

133023056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313949 (or 8313943 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 133023056 is about 11533.5621557262. The cubic root of 133023056 is about 510.4763663934.

Adding to 133023056 its reverse (650320331), we get a palindrome (783343387).

The spelling of 133023056 in words is "one hundred thirty-three million, twenty-three thousand, fifty-six".