133250828 has 48 divisors (see below), whose sum is σ = 254669184. Its totient is φ = 60764160.

The previous prime is 133250827. The next prime is 133250837. The reversal of 133250828 is 828052331.

It is a junction number, because it is equal to n+sod(n) for n = 133250794 and 133250803.

It is not an unprimeable number, because it can be changed into a prime (133250827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552788 + ... + 553028.

It is an arithmetic number, because the mean of its divisors is an integer number (5305608).

Almost surely, 2^133250828 is an apocalyptic number.

It is an amenable number.

133250828 is a deficient number, since it is larger than the sum of its proper divisors (121418356).

133250828 is a wasteful number, since it uses less digits than its factorization.

133250828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 133250828 is about 11543.4322452207. The cubic root of 133250828 is about 510.7675588281.

The spelling of 133250828 in words is "one hundred thirty-three million, two hundred fifty thousand, eight hundred twenty-eight".