133488521987 has 2 divisors, whose sum is σ = 133488521988. Its totient is φ = 133488521986.

The previous prime is 133488521927. The next prime is 133488522049. The reversal of 133488521987 is 789125884331.

It is a weak prime.

It is an emirp because it is prime and its reverse (789125884331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133488521987 - 2⁶ = 133488521923 is a prime.

It is not a weakly prime, because it can be changed into another prime (133488521927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66744260993 + 66744260994.

It is an arithmetic number, because the mean of its divisors is an integer number (66744260994).

Almost surely, 2^133488521987 is an apocalyptic number.

133488521987 is a deficient number, since it is larger than the sum of its proper divisors (1).

133488521987 is an equidigital number, since it uses as much as digits as its factorization.

133488521987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 59.

The spelling of 133488521987 in words is "one hundred thirty-three billion, four hundred eighty-eight million, five hundred twenty-one thousand, nine hundred eighty-seven".