133000524 has 18 divisors (see below), whose sum is σ = 336195860. Its totient is φ = 44333496.

The previous prime is 133000523. The next prime is 133000531. The reversal of 133000524 is 425000331.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 133000497 and 133000506.

It is not an unprimeable number, because it can be changed into a prime (133000523) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1847194 + ... + 1847265.

Almost surely, 2^133000524 is an apocalyptic number.

It is an amenable number.

133000524 is an abundant number, since it is smaller than the sum of its proper divisors (203195336).

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

133000524 is a wasteful number, since it uses less digits than its factorization.

133000524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694469 (or 3694464 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 133000524 is about 11532.5853129296. The cubic root of 133000524 is about 510.4475425606.

Adding to 133000524 its reverse (425000331), we get a palindrome (558000855).

The spelling of 133000524 in words is "one hundred thirty-three million, five hundred twenty-four", and thus it is an aban number.