133444827 has 40 divisors (see below), whose sum is σ = 210760704. Its totient is φ = 83972592.

The previous prime is 133444807. The next prime is 133444837. The reversal of 133444827 is 728444331.

133444827 is a `hidden beast` number, since 133 + 44 + 482 + 7 = 666.

It is not a de Polignac number, because 133444827 - 2¹⁰ = 133443803 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 133444791 and 133444800.

It is not an unprimeable number, because it can be changed into a prime (133444807) 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 39 ways as a sum of consecutive naturals, for example, 154198 + ... + 155060.

Almost surely, 2^133444827 is an apocalyptic number.

133444827 is a deficient number, since it is larger than the sum of its proper divisors (77315877).

133444827 is an equidigital number, since it uses as much as digits as its factorization.

133444827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 972 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 133444827 is about 11551.8321923407. The cubic root of 133444827 is about 511.0153130037.

The spelling of 133444827 in words is "one hundred thirty-three million, four hundred forty-four thousand, eight hundred twenty-seven".