133235863 has 2 divisors, whose sum is σ = 133235864. Its totient is φ = 133235862.

The previous prime is 133235797. The next prime is 133235881. The reversal of 133235863 is 368532331.

It is a strong prime.

It is an emirp because it is prime and its reverse (368532331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133235863 - 2¹⁷ = 133104791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133235563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66617931 + 66617932.

It is an arithmetic number, because the mean of its divisors is an integer number (66617932).

Almost surely, 2^133235863 is an apocalyptic number.

133235863 is a deficient number, since it is larger than the sum of its proper divisors (1).

133235863 is an equidigital number, since it uses as much as digits as its factorization.

133235863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 34.

The square root of 133235863 is about 11542.7840229297. The cubic root of 133235863 is about 510.7484371891.

The spelling of 133235863 in words is "one hundred thirty-three million, two hundred thirty-five thousand, eight hundred sixty-three".