133204087 has 2 divisors, whose sum is σ = 133204088. Its totient is φ = 133204086.

The previous prime is 133204069. The next prime is 133204091. The reversal of 133204087 is 780402331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133204087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133204187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66602043 + 66602044.

It is an arithmetic number, because the mean of its divisors is an integer number (66602044).

Almost surely, 2^133204087 is an apocalyptic number.

133204087 is a deficient number, since it is larger than the sum of its proper divisors (1).

133204087 is an equidigital number, since it uses as much as digits as its factorization.

133204087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 133204087 is about 11541.4074964885. The cubic root of 133204087 is about 510.7078304226.

It can be divided in two parts, 13 and 3204087, that added together give a square (3204100 = 1790²).

The spelling of 133204087 in words is "one hundred thirty-three million, two hundred four thousand, eighty-seven".