133406827 has 2 divisors, whose sum is σ = 133406828. Its totient is φ = 133406826.

The previous prime is 133406789. The next prime is 133406869. The reversal of 133406827 is 728604331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133406827 - 2¹⁹ = 132882539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133406792 and 133406801.

It is not a weakly prime, because it can be changed into another prime (133406887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66703413 + 66703414.

It is an arithmetic number, because the mean of its divisors is an integer number (66703414).

Almost surely, 2^133406827 is an apocalyptic number.

133406827 is a deficient number, since it is larger than the sum of its proper divisors (1).

133406827 is an equidigital number, since it uses as much as digits as its factorization.

133406827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 133406827 is about 11550.1873144984. The cubic root of 133406827 is about 510.9668025048.

The spelling of 133406827 in words is "one hundred thirty-three million, four hundred six thousand, eight hundred twenty-seven".