133729663 has 2 divisors, whose sum is σ = 133729664. Its totient is φ = 133729662.

The previous prime is 133729621. The next prime is 133729681. The reversal of 133729663 is 366927331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133729663 - 2²¹ = 131632511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133729363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66864831 + 66864832.

It is an arithmetic number, because the mean of its divisors is an integer number (66864832).

Almost surely, 2^133729663 is an apocalyptic number.

133729663 is a deficient number, since it is larger than the sum of its proper divisors (1).

133729663 is an equidigital number, since it uses as much as digits as its factorization.

133729663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 40.

The square root of 133729663 is about 11564.1542276122. The cubic root of 133729663 is about 511.3786394849.

The spelling of 133729663 in words is "one hundred thirty-three million, seven hundred twenty-nine thousand, six hundred sixty-three".