133345526 has 16 divisors (see below), whose sum is σ = 203793408. Its totient is φ = 65423400.

The previous prime is 133345519. The next prime is 133345543. The reversal of 133345526 is 625543331.

It is a junction number, because it is equal to n+sod(n) for n = 133345492 and 133345501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29561 + ... + 33771.

It is an arithmetic number, because the mean of its divisors is an integer number (12737088).

Almost surely, 2^133345526 is an apocalyptic number.

133345526 is a deficient number, since it is larger than the sum of its proper divisors (70447882).

133345526 is a wasteful number, since it uses less digits than its factorization.

133345526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507.

The product of its digits is 32400, while the sum is 32.

The square root of 133345526 is about 11547.5333296769. The cubic root of 133345526 is about 510.8885267135. Note that the first 3 decimals are identical.

Adding to 133345526 its reverse (625543331), we get a palindrome (758888857).

The spelling of 133345526 in words is "one hundred thirty-three million, three hundred forty-five thousand, five hundred twenty-six".