133033199987 has 2 divisors, whose sum is σ = 133033199988. Its totient is φ = 133033199986.

The previous prime is 133033199977. The next prime is 133033200043. The reversal of 133033199987 is 789991330331.

It is an a-pointer prime, because the next prime (133033200043) can be obtained adding 133033199987 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133033199987 is a prime.

It is a super-2 number, since 2×133033199987² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133033199947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66516599993 + 66516599994.

It is an arithmetic number, because the mean of its divisors is an integer number (66516599994).

Almost surely, 2^133033199987 is an apocalyptic number.

133033199987 is a deficient number, since it is larger than the sum of its proper divisors (1).

133033199987 is an equidigital number, since it uses as much as digits as its factorization.

133033199987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 133033199987 in words is "one hundred thirty-three billion, thirty-three million, one hundred ninety-nine thousand, nine hundred eighty-seven".