135320803187 has 2 divisors, whose sum is σ = 135320803188. Its totient is φ = 135320803186.

The previous prime is 135320803183. The next prime is 135320803201. The reversal of 135320803187 is 781308023531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135320803187 - 2² = 135320803183 is a prime.

It is not a weakly prime, because it can be changed into another prime (135320803183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67660401593 + 67660401594.

It is an arithmetic number, because the mean of its divisors is an integer number (67660401594).

Almost surely, 2^135320803187 is an apocalyptic number.

135320803187 is a deficient number, since it is larger than the sum of its proper divisors (1).

135320803187 is an equidigital number, since it uses as much as digits as its factorization.

135320803187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 135320803187 in words is "one hundred thirty-five billion, three hundred twenty million, eight hundred three thousand, one hundred eighty-seven".