133492901 has 2 divisors, whose sum is σ = 133492902. Its totient is φ = 133492900.

The previous prime is 133492883. The next prime is 133492903. The reversal of 133492901 is 109294331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118243876 + 15249025 = 10874^2 + 3905^2 .

It is a cyclic number.

It is not a de Polignac number, because 133492901 - 2¹⁰ = 133491877 is a prime.

Together with 133492903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133492903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66746450 + 66746451.

It is an arithmetic number, because the mean of its divisors is an integer number (66746451).

Almost surely, 2^133492901 is an apocalyptic number.

It is an amenable number.

133492901 is a deficient number, since it is larger than the sum of its proper divisors (1).

133492901 is an equidigital number, since it uses as much as digits as its factorization.

133492901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 133492901 is about 11553.9128004326. The cubic root of 133492901 is about 511.0766706980.

The spelling of 133492901 in words is "one hundred thirty-three million, four hundred ninety-two thousand, nine hundred one".