133008536 has 8 divisors (see below), whose sum is σ = 249391020. Its totient is φ = 66504264.

The previous prime is 133008523. The next prime is 133008539. The reversal of 133008536 is 635800331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 133008499 and 133008508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133008539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8313026 + ... + 8313041.

Almost surely, 2^133008536 is an apocalyptic number.

It is an amenable number.

133008536 is a deficient number, since it is larger than the sum of its proper divisors (116382484).

133008536 is a wasteful number, since it uses less digits than its factorization.

133008536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16626073 (or 16626069 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 133008536 is about 11532.9326712680. The cubic root of 133008536 is about 510.4577922034.

Adding to 133008536 its reverse (635800331), we get a palindrome (768808867).

The spelling of 133008536 in words is "one hundred thirty-three million, eight thousand, five hundred thirty-six".