133269361 has 2 divisors, whose sum is σ = 133269362. Its totient is φ = 133269360.

The previous prime is 133269359. The next prime is 133269371. The reversal of 133269361 is 163962331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113635600 + 19633761 = 10660^2 + 4431^2 .

It is a cyclic number.

It is not a de Polignac number, because 133269361 - 2¹ = 133269359 is a prime.

Together with 133269359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (133269371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66634680 + 66634681.

It is an arithmetic number, because the mean of its divisors is an integer number (66634681).

Almost surely, 2^133269361 is an apocalyptic number.

It is an amenable number.

133269361 is a deficient number, since it is larger than the sum of its proper divisors (1).

133269361 is an equidigital number, since it uses as much as digits as its factorization.

133269361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 34.

The square root of 133269361 is about 11544.2349681562. The cubic root of 133269361 is about 510.7912375211.

The spelling of 133269361 in words is "one hundred thirty-three million, two hundred sixty-nine thousand, three hundred sixty-one".