133276528 has 40 divisors (see below), whose sum is σ = 321943680. Its totient is φ = 51925440.

The previous prime is 133276523. The next prime is 133276529. The reversal of 133276528 is 825672331.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133276523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52858 + ... + 55321.

It is an arithmetic number, because the mean of its divisors is an integer number (8048592).

Almost surely, 2^133276528 is an apocalyptic number.

It is an amenable number.

133276528 is an abundant number, since it is smaller than the sum of its proper divisors (188667152).

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

133276528 is a wasteful number, since it uses less digits than its factorization.

133276528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108205 (or 108199 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 133276528 is about 11544.5453786626. The cubic root of 133276528 is about 510.8003938522.

The spelling of 133276528 in words is "one hundred thirty-three million, two hundred seventy-six thousand, five hundred twenty-eight".