133835705287 has 2 divisors, whose sum is σ = 133835705288. Its totient is φ = 133835705286.

The previous prime is 133835705279. The next prime is 133835705351. The reversal of 133835705287 is 782507538331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133835705287 - 2³ = 133835705279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133835715287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66917852643 + 66917852644.

It is an arithmetic number, because the mean of its divisors is an integer number (66917852644).

Almost surely, 2^133835705287 is an apocalyptic number.

133835705287 is a deficient number, since it is larger than the sum of its proper divisors (1).

133835705287 is an equidigital number, since it uses as much as digits as its factorization.

133835705287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 133835705287 in words is "one hundred thirty-three billion, eight hundred thirty-five million, seven hundred five thousand, two hundred eighty-seven".