133770899 has 2 divisors, whose sum is σ = 133770900. Its totient is φ = 133770898.

The previous prime is 133770839. The next prime is 133770911. The reversal of 133770899 is 998077331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133770899 - 2²⁰ = 132722323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133770839) 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 as a sum of consecutive naturals, namely, 66885449 + 66885450.

It is an arithmetic number, because the mean of its divisors is an integer number (66885450).

Almost surely, 2^133770899 is an apocalyptic number.

133770899 is a deficient number, since it is larger than the sum of its proper divisors (1).

133770899 is an equidigital number, since it uses as much as digits as its factorization.

133770899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 133770899 is about 11565.9370134892. The cubic root of 133770899 is about 511.4311958687.

The spelling of 133770899 in words is "one hundred thirty-three million, seven hundred seventy thousand, eight hundred ninety-nine".