133510828 has 24 divisors (see below), whose sum is σ = 255188304. Its totient is φ = 60614400.

The previous prime is 133510823. The next prime is 133510873. The reversal of 133510828 is 828015331.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 133510828.

It is not an unprimeable number, because it can be changed into a prime (133510823) 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 7 ways as a sum of consecutive naturals, for example, 56976 + ... + 59272.

It is an arithmetic number, because the mean of its divisors is an integer number (10632846).

Almost surely, 2^133510828 is an apocalyptic number.

It is an amenable number.

133510828 is a deficient number, since it is larger than the sum of its proper divisors (121677476).

133510828 is a wasteful number, since it uses less digits than its factorization.

133510828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633 (or 3631 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 133510828 is about 11554.6885721771. The cubic root of 133510828 is about 511.0995474735.

The spelling of 133510828 in words is "one hundred thirty-three million, five hundred ten thousand, eight hundred twenty-eight".