133959653 has 2 divisors, whose sum is σ = 133959654. Its totient is φ = 133959652.

The previous prime is 133959641. The next prime is 133959667. The reversal of 133959653 is 356959331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96786244 + 37173409 = 9838^2 + 6097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133959653 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133959053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66979826 + 66979827.

It is an arithmetic number, because the mean of its divisors is an integer number (66979827).

Almost surely, 2^133959653 is an apocalyptic number.

It is an amenable number.

133959653 is a deficient number, since it is larger than the sum of its proper divisors (1).

133959653 is an equidigital number, since it uses as much as digits as its factorization.

133959653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 328050, while the sum is 44.

The square root of 133959653 is about 11574.0940466198. The cubic root of 133959653 is about 511.6716301136.

The spelling of 133959653 in words is "one hundred thirty-three million, nine hundred fifty-nine thousand, six hundred fifty-three".