133198511 has 2 divisors, whose sum is σ = 133198512. Its totient is φ = 133198510.

The previous prime is 133198447. The next prime is 133198523. The reversal of 133198511 is 115891331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133198511 - 2⁶ = 133198447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133198811) 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, 66599255 + 66599256.

It is an arithmetic number, because the mean of its divisors is an integer number (66599256).

Almost surely, 2^133198511 is an apocalyptic number.

133198511 is a deficient number, since it is larger than the sum of its proper divisors (1).

133198511 is an equidigital number, since it uses as much as digits as its factorization.

133198511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 32.

The square root of 133198511 is about 11541.1659289692. The cubic root of 133198511 is about 510.7007041483.

The spelling of 133198511 in words is "one hundred thirty-three million, one hundred ninety-eight thousand, five hundred eleven".