133220199737887 has 2 divisors, whose sum is σ = 133220199737888. Its totient is φ = 133220199737886.

The previous prime is 133220199737747. The next prime is 133220199737951. The reversal of 133220199737887 is 788737991022331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133220199737887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133220199767887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66610099868943 + 66610099868944.

It is an arithmetic number, because the mean of its divisors is an integer number (66610099868944).

Almost surely, 2^{133220199737887} is an apocalyptic number.

133220199737887 is a deficient number, since it is larger than the sum of its proper divisors (1).

133220199737887 is an equidigital number, since it uses as much as digits as its factorization.

133220199737887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192036096, while the sum is 70.

The spelling of 133220199737887 in words is "one hundred thirty-three trillion, two hundred twenty billion, one hundred ninety-nine million, seven hundred thirty-seven thousand, eight hundred eighty-seven".